[
  {
    "id": "NPN-P01",
    "scene_family_id": "NPN-FAMILY-P01",
    "partition": "practice",
    "title": "One familiar object",
    "setup": "Put one familiar cup on a fully visible tray. Put a spoon on the mat.",
    "variation": "single referent; separate distractor",
    "questions": [
      {
        "id": "NPN-P01-noun-en-r1",
        "kind": "noun",
        "prompt": "What is on the tray?",
        "primary_target_id": "Q01",
        "linked_concept_ids": [
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "cup",
            "label": "Cup / cups"
          },
          {
            "id": "spoon",
            "label": "Spoon / spoons"
          },
          {
            "id": "ball",
            "label": "Ball / balls"
          },
          {
            "id": "nothing",
            "label": "Nothing here"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "cup"
        ],
        "accepted_meaning": "Cup / cups",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P01-how_many-en-r1",
        "kind": "how_many",
        "prompt": "How many cups are on the tray?",
        "primary_target_id": "Q10",
        "linked_concept_ids": [
          "FG-NUMBER-01",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "0",
            "label": "0"
          },
          {
            "id": "1",
            "label": "1"
          },
          {
            "id": "2",
            "label": "2"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "1"
        ],
        "accepted_meaning": "1",
        "scoring_note": "Open how-many prompt; partner maps a clearly interpreted count or uncertainty. These 0–2 cases do not complete counting or question mastery."
      },
      {
        "id": "NPN-P01-presence-en-r1",
        "kind": "presence",
        "prompt": "Is there a cup on the tray?",
        "primary_target_id": "FG-EXIST-01",
        "linked_concept_ids": [
          "Q01"
        ],
        "options": [
          {
            "id": "yes",
            "label": "Yes"
          },
          {
            "id": "no",
            "label": "No"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "yes"
        ],
        "accepted_meaning": "Yes",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P01-number-en-r1",
        "kind": "number",
        "prompt": "Are there no cups, one, or more than one on the tray?",
        "primary_target_id": "FG-NUMBER-01",
        "linked_concept_ids": [
          "Q10",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "zero",
            "label": "None / zero"
          },
          {
            "id": "one",
            "label": "One"
          },
          {
            "id": "many",
            "label": "More than one"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "one"
        ],
        "accepted_meaning": "One",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P01-where-en-r1",
        "kind": "where",
        "prompt": "Where is the cup? Show every known place.",
        "primary_target_id": "Q03",
        "linked_concept_ids": [
          "FG-PREP-01",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "tray",
            "label": "On the tray"
          },
          {
            "id": "mat",
            "label": "On the mat"
          },
          {
            "id": "box",
            "label": "Inside the box"
          },
          {
            "id": "both",
            "label": "On the tray and mat"
          },
          {
            "id": "box_mat",
            "label": "In the box and on the mat"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "tray"
        ],
        "accepted_meaning": "On the tray",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      }
    ]
  },
  {
    "id": "NPN-P02",
    "scene_family_id": "NPN-FAMILY-P02",
    "partition": "practice",
    "title": "Absent target, nonempty place",
    "setup": "Put only a spoon on the tray and a cup on the mat. Inspect the whole tray together.",
    "variation": "target absent although another object is present",
    "questions": [
      {
        "id": "NPN-P02-noun-en-r1",
        "kind": "noun",
        "prompt": "What is on the tray?",
        "primary_target_id": "Q01",
        "linked_concept_ids": [
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "cup",
            "label": "Cup / cups"
          },
          {
            "id": "spoon",
            "label": "Spoon / spoons"
          },
          {
            "id": "ball",
            "label": "Ball / balls"
          },
          {
            "id": "nothing",
            "label": "Nothing here"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "spoon"
        ],
        "accepted_meaning": "Spoon / spoons",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P02-presence-en-r1",
        "kind": "presence",
        "prompt": "Is there a cup on the tray?",
        "primary_target_id": "FG-EXIST-02",
        "linked_concept_ids": [
          "Q01"
        ],
        "options": [
          {
            "id": "yes",
            "label": "Yes"
          },
          {
            "id": "no",
            "label": "No"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "no"
        ],
        "accepted_meaning": "No",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P02-how_many-en-r1",
        "kind": "how_many",
        "prompt": "How many cups are on the tray?",
        "primary_target_id": "Q10",
        "linked_concept_ids": [
          "FG-NUMBER-01",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "0",
            "label": "0"
          },
          {
            "id": "1",
            "label": "1"
          },
          {
            "id": "2",
            "label": "2"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "0"
        ],
        "accepted_meaning": "0",
        "scoring_note": "Open how-many prompt; partner maps a clearly interpreted count or uncertainty. These 0–2 cases do not complete counting or question mastery."
      },
      {
        "id": "NPN-P02-number-en-r1",
        "kind": "number",
        "prompt": "Are there no cups, one, or more than one on the tray?",
        "primary_target_id": "FG-NUMBER-01",
        "linked_concept_ids": [
          "Q10",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "zero",
            "label": "None / zero"
          },
          {
            "id": "one",
            "label": "One"
          },
          {
            "id": "many",
            "label": "More than one"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "zero"
        ],
        "accepted_meaning": "None / zero",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P02-where-en-r1",
        "kind": "where",
        "prompt": "Where are the cups? Show every known place.",
        "primary_target_id": "Q03",
        "linked_concept_ids": [
          "FG-PREP-01",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "tray",
            "label": "On the tray"
          },
          {
            "id": "mat",
            "label": "On the mat"
          },
          {
            "id": "box",
            "label": "Inside the box"
          },
          {
            "id": "both",
            "label": "On the tray and mat"
          },
          {
            "id": "box_mat",
            "label": "In the box and on the mat"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "mat"
        ],
        "accepted_meaning": "On the mat",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      }
    ]
  },
  {
    "id": "NPN-P03",
    "scene_family_id": "NPN-FAMILY-P03",
    "partition": "practice",
    "title": "Nothing in the bounded place",
    "setup": "Leave the tray empty. Put one ball on the mat. Inspect the whole tray.",
    "variation": "empty set versus absence of a particular category",
    "questions": [
      {
        "id": "NPN-P03-noun-en-r1",
        "kind": "noun",
        "prompt": "What is on the tray?",
        "primary_target_id": "Q01",
        "linked_concept_ids": [
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "cup",
            "label": "Cup / cups"
          },
          {
            "id": "spoon",
            "label": "Spoon / spoons"
          },
          {
            "id": "ball",
            "label": "Ball / balls"
          },
          {
            "id": "nothing",
            "label": "Nothing here"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "nothing"
        ],
        "accepted_meaning": "Nothing here",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P03-presence-en-r1",
        "kind": "presence",
        "prompt": "Is there a ball on the tray?",
        "primary_target_id": "FG-EXIST-02",
        "linked_concept_ids": [
          "Q01"
        ],
        "options": [
          {
            "id": "yes",
            "label": "Yes"
          },
          {
            "id": "no",
            "label": "No"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "no"
        ],
        "accepted_meaning": "No",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P03-number-en-r1",
        "kind": "number",
        "prompt": "Are there no balls, one, or more than one on the tray?",
        "primary_target_id": "FG-NUMBER-01",
        "linked_concept_ids": [
          "Q10",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "zero",
            "label": "None / zero"
          },
          {
            "id": "one",
            "label": "One"
          },
          {
            "id": "many",
            "label": "More than one"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "zero"
        ],
        "accepted_meaning": "None / zero",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P03-how_many-en-r1",
        "kind": "how_many",
        "prompt": "How many balls are on the tray?",
        "primary_target_id": "Q10",
        "linked_concept_ids": [
          "FG-NUMBER-01",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "0",
            "label": "0"
          },
          {
            "id": "1",
            "label": "1"
          },
          {
            "id": "2",
            "label": "2"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "0"
        ],
        "accepted_meaning": "0",
        "scoring_note": "Open how-many prompt; partner maps a clearly interpreted count or uncertainty. These 0–2 cases do not complete counting or question mastery."
      },
      {
        "id": "NPN-P03-where-en-r1",
        "kind": "where",
        "prompt": "Where are the balls? Show every known place.",
        "primary_target_id": "Q03",
        "linked_concept_ids": [
          "FG-PREP-01",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "tray",
            "label": "On the tray"
          },
          {
            "id": "mat",
            "label": "On the mat"
          },
          {
            "id": "box",
            "label": "Inside the box"
          },
          {
            "id": "both",
            "label": "On the tray and mat"
          },
          {
            "id": "box_mat",
            "label": "In the box and on the mat"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "mat"
        ],
        "accepted_meaning": "On the mat",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      }
    ]
  },
  {
    "id": "NPN-P04",
    "scene_family_id": "NPN-FAMILY-P04",
    "partition": "practice",
    "title": "Two together",
    "setup": "Put two familiar cups together on the tray; leave the mat empty.",
    "variation": "one versus more than one",
    "questions": [
      {
        "id": "NPN-P04-noun-en-r1",
        "kind": "noun",
        "prompt": "What is on the tray?",
        "primary_target_id": "Q01",
        "linked_concept_ids": [
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "cup",
            "label": "Cup / cups"
          },
          {
            "id": "spoon",
            "label": "Spoon / spoons"
          },
          {
            "id": "ball",
            "label": "Ball / balls"
          },
          {
            "id": "nothing",
            "label": "Nothing here"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "cup"
        ],
        "accepted_meaning": "Cup / cups",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P04-presence-en-r1",
        "kind": "presence",
        "prompt": "Is there a cup on the tray?",
        "primary_target_id": "FG-EXIST-01",
        "linked_concept_ids": [
          "Q01"
        ],
        "options": [
          {
            "id": "yes",
            "label": "Yes"
          },
          {
            "id": "no",
            "label": "No"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "yes"
        ],
        "accepted_meaning": "Yes",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P04-number-en-r1",
        "kind": "number",
        "prompt": "Are there no cups, one, or more than one on the tray?",
        "primary_target_id": "FG-NUMBER-01",
        "linked_concept_ids": [
          "Q10",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "zero",
            "label": "None / zero"
          },
          {
            "id": "one",
            "label": "One"
          },
          {
            "id": "many",
            "label": "More than one"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "many"
        ],
        "accepted_meaning": "More than one",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P04-where-en-r1",
        "kind": "where",
        "prompt": "Where are the cups? Show every known place.",
        "primary_target_id": "Q03",
        "linked_concept_ids": [
          "FG-PREP-01",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "tray",
            "label": "On the tray"
          },
          {
            "id": "mat",
            "label": "On the mat"
          },
          {
            "id": "box",
            "label": "Inside the box"
          },
          {
            "id": "both",
            "label": "On the tray and mat"
          },
          {
            "id": "box_mat",
            "label": "In the box and on the mat"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "tray"
        ],
        "accepted_meaning": "On the tray",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P04-how_many-en-r1",
        "kind": "how_many",
        "prompt": "How many cups are on the tray?",
        "primary_target_id": "Q10",
        "linked_concept_ids": [
          "FG-NUMBER-01",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "0",
            "label": "0"
          },
          {
            "id": "1",
            "label": "1"
          },
          {
            "id": "2",
            "label": "2"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "2"
        ],
        "accepted_meaning": "2",
        "scoring_note": "Open how-many prompt; partner maps a clearly interpreted count or uncertainty. These 0–2 cases do not complete counting or question mastery."
      }
    ]
  },
  {
    "id": "NPN-P05",
    "scene_family_id": "NPN-FAMILY-P05",
    "partition": "practice",
    "title": "Count only the named kind",
    "setup": "Put two spoons and one cup on the tray. Make every item visible.",
    "variation": "exclude a different category from the count",
    "questions": [
      {
        "id": "NPN-P05-how_many-en-r1",
        "kind": "how_many",
        "prompt": "How many spoons are on the tray?",
        "primary_target_id": "Q10",
        "linked_concept_ids": [
          "FG-NUMBER-01",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "0",
            "label": "0"
          },
          {
            "id": "1",
            "label": "1"
          },
          {
            "id": "2",
            "label": "2"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "2"
        ],
        "accepted_meaning": "2",
        "scoring_note": "Open how-many prompt; partner maps a clearly interpreted count or uncertainty. These 0–2 cases do not complete counting or question mastery."
      },
      {
        "id": "NPN-P05-number-en-r1",
        "kind": "number",
        "prompt": "Are there no spoons, one, or more than one on the tray?",
        "primary_target_id": "FG-NUMBER-01",
        "linked_concept_ids": [
          "Q10",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "zero",
            "label": "None / zero"
          },
          {
            "id": "one",
            "label": "One"
          },
          {
            "id": "many",
            "label": "More than one"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "many"
        ],
        "accepted_meaning": "More than one",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P05-where-en-r1",
        "kind": "where",
        "prompt": "Where are the spoons? Show every known place.",
        "primary_target_id": "Q03",
        "linked_concept_ids": [
          "FG-PREP-01",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "tray",
            "label": "On the tray"
          },
          {
            "id": "mat",
            "label": "On the mat"
          },
          {
            "id": "box",
            "label": "Inside the box"
          },
          {
            "id": "both",
            "label": "On the tray and mat"
          },
          {
            "id": "box_mat",
            "label": "In the box and on the mat"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "tray"
        ],
        "accepted_meaning": "On the tray",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P05-presence-en-r1",
        "kind": "presence",
        "prompt": "Is there a spoon on the tray?",
        "primary_target_id": "FG-EXIST-01",
        "linked_concept_ids": [
          "Q01"
        ],
        "options": [
          {
            "id": "yes",
            "label": "Yes"
          },
          {
            "id": "no",
            "label": "No"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "yes"
        ],
        "accepted_meaning": "Yes",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P05-noun-en-r1",
        "kind": "noun",
        "prompt": "What are the two matching objects on the tray?",
        "primary_target_id": "Q01",
        "linked_concept_ids": [
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "cup",
            "label": "Cup / cups"
          },
          {
            "id": "spoon",
            "label": "Spoon / spoons"
          },
          {
            "id": "ball",
            "label": "Ball / balls"
          },
          {
            "id": "nothing",
            "label": "Nothing here"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "spoon"
        ],
        "accepted_meaning": "Spoon / spoons",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      }
    ]
  },
  {
    "id": "NPN-P06",
    "scene_family_id": "NPN-FAMILY-P06",
    "partition": "practice",
    "title": "Moved, not destroyed",
    "setup": "Start with a cup on the tray. In view, move it onto the mat. Ask about the final state.",
    "variation": "removal changes scoped presence, not existence everywhere",
    "questions": [
      {
        "id": "NPN-P06-presence-en-r1",
        "kind": "presence",
        "prompt": "Is there a cup on the tray?",
        "primary_target_id": "FG-EXIST-05",
        "linked_concept_ids": [
          "Q01"
        ],
        "options": [
          {
            "id": "yes",
            "label": "Yes"
          },
          {
            "id": "no",
            "label": "No"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "no"
        ],
        "accepted_meaning": "No",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P06-how_many-en-r1",
        "kind": "how_many",
        "prompt": "How many cups are on the tray?",
        "primary_target_id": "Q10",
        "linked_concept_ids": [
          "FG-NUMBER-01",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "0",
            "label": "0"
          },
          {
            "id": "1",
            "label": "1"
          },
          {
            "id": "2",
            "label": "2"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "0"
        ],
        "accepted_meaning": "0",
        "scoring_note": "Open how-many prompt; partner maps a clearly interpreted count or uncertainty. These 0–2 cases do not complete counting or question mastery."
      },
      {
        "id": "NPN-P06-number-en-r1",
        "kind": "number",
        "prompt": "Are there no cups, one, or more than one on the tray?",
        "primary_target_id": "FG-NUMBER-01",
        "linked_concept_ids": [
          "Q10",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "zero",
            "label": "None / zero"
          },
          {
            "id": "one",
            "label": "One"
          },
          {
            "id": "many",
            "label": "More than one"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "zero"
        ],
        "accepted_meaning": "None / zero",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P06-noun-en-r1",
        "kind": "noun",
        "prompt": "What is on the tray?",
        "primary_target_id": "Q01",
        "linked_concept_ids": [
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "cup",
            "label": "Cup / cups"
          },
          {
            "id": "spoon",
            "label": "Spoon / spoons"
          },
          {
            "id": "ball",
            "label": "Ball / balls"
          },
          {
            "id": "nothing",
            "label": "Nothing here"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "nothing"
        ],
        "accepted_meaning": "Nothing here",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P06-where-en-r1",
        "kind": "where",
        "prompt": "Where are the cups? Show every known place.",
        "primary_target_id": "Q03",
        "linked_concept_ids": [
          "FG-PREP-01",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "tray",
            "label": "On the tray"
          },
          {
            "id": "mat",
            "label": "On the mat"
          },
          {
            "id": "box",
            "label": "Inside the box"
          },
          {
            "id": "both",
            "label": "On the tray and mat"
          },
          {
            "id": "box_mat",
            "label": "In the box and on the mat"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "mat"
        ],
        "accepted_meaning": "On the mat",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      }
    ]
  },
  {
    "id": "NPN-P07",
    "scene_family_id": "NPN-FAMILY-P07",
    "partition": "practice",
    "title": "Returned",
    "setup": "Start with a ball on the mat and an empty tray. In view, move the ball onto the tray.",
    "variation": "arrival after absence",
    "questions": [
      {
        "id": "NPN-P07-noun-en-r1",
        "kind": "noun",
        "prompt": "What is on the tray?",
        "primary_target_id": "Q01",
        "linked_concept_ids": [
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "cup",
            "label": "Cup / cups"
          },
          {
            "id": "spoon",
            "label": "Spoon / spoons"
          },
          {
            "id": "ball",
            "label": "Ball / balls"
          },
          {
            "id": "nothing",
            "label": "Nothing here"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "ball"
        ],
        "accepted_meaning": "Ball / balls",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P07-where-en-r1",
        "kind": "where",
        "prompt": "Where is the ball? Show every known place.",
        "primary_target_id": "Q03",
        "linked_concept_ids": [
          "FG-PREP-01",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "tray",
            "label": "On the tray"
          },
          {
            "id": "mat",
            "label": "On the mat"
          },
          {
            "id": "box",
            "label": "Inside the box"
          },
          {
            "id": "both",
            "label": "On the tray and mat"
          },
          {
            "id": "box_mat",
            "label": "In the box and on the mat"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "tray"
        ],
        "accepted_meaning": "On the tray",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P07-how_many-en-r1",
        "kind": "how_many",
        "prompt": "How many balls are on the tray?",
        "primary_target_id": "Q10",
        "linked_concept_ids": [
          "FG-NUMBER-01",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "0",
            "label": "0"
          },
          {
            "id": "1",
            "label": "1"
          },
          {
            "id": "2",
            "label": "2"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "1"
        ],
        "accepted_meaning": "1",
        "scoring_note": "Open how-many prompt; partner maps a clearly interpreted count or uncertainty. These 0–2 cases do not complete counting or question mastery."
      },
      {
        "id": "NPN-P07-presence-en-r1",
        "kind": "presence",
        "prompt": "Is there a ball on the tray?",
        "primary_target_id": "FG-EXIST-05",
        "linked_concept_ids": [
          "Q01"
        ],
        "options": [
          {
            "id": "yes",
            "label": "Yes"
          },
          {
            "id": "no",
            "label": "No"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "yes"
        ],
        "accepted_meaning": "Yes",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P07-number-en-r1",
        "kind": "number",
        "prompt": "Are there no balls, one, or more than one on the tray?",
        "primary_target_id": "FG-NUMBER-01",
        "linked_concept_ids": [
          "Q10",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "zero",
            "label": "None / zero"
          },
          {
            "id": "one",
            "label": "One"
          },
          {
            "id": "many",
            "label": "More than one"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "one"
        ],
        "accepted_meaning": "One",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      }
    ]
  },
  {
    "id": "NPN-P08",
    "scene_family_id": "NPN-FAMILY-P08",
    "partition": "practice",
    "title": "Spread out",
    "setup": "Put two spoons far apart on the mat. Move them closer without adding or removing either; ask about the final state.",
    "variation": "spacing does not change quantity",
    "questions": [
      {
        "id": "NPN-P08-where-en-r1",
        "kind": "where",
        "prompt": "Where are the spoons? Show every known place.",
        "primary_target_id": "Q03",
        "linked_concept_ids": [
          "FG-PREP-01",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "tray",
            "label": "On the tray"
          },
          {
            "id": "mat",
            "label": "On the mat"
          },
          {
            "id": "box",
            "label": "Inside the box"
          },
          {
            "id": "both",
            "label": "On the tray and mat"
          },
          {
            "id": "box_mat",
            "label": "In the box and on the mat"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "mat"
        ],
        "accepted_meaning": "On the mat",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P08-noun-en-r1",
        "kind": "noun",
        "prompt": "What is on the mat?",
        "primary_target_id": "Q01",
        "linked_concept_ids": [
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "cup",
            "label": "Cup / cups"
          },
          {
            "id": "spoon",
            "label": "Spoon / spoons"
          },
          {
            "id": "ball",
            "label": "Ball / balls"
          },
          {
            "id": "nothing",
            "label": "Nothing here"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "spoon"
        ],
        "accepted_meaning": "Spoon / spoons",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P08-number-en-r1",
        "kind": "number",
        "prompt": "Are there no spoons, one, or more than one on the mat?",
        "primary_target_id": "FG-NUMBER-01",
        "linked_concept_ids": [
          "Q10",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "zero",
            "label": "None / zero"
          },
          {
            "id": "one",
            "label": "One"
          },
          {
            "id": "many",
            "label": "More than one"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "many"
        ],
        "accepted_meaning": "More than one",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P08-how_many-en-r1",
        "kind": "how_many",
        "prompt": "How many spoons are on the mat?",
        "primary_target_id": "Q10",
        "linked_concept_ids": [
          "FG-NUMBER-01",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "0",
            "label": "0"
          },
          {
            "id": "1",
            "label": "1"
          },
          {
            "id": "2",
            "label": "2"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "2"
        ],
        "accepted_meaning": "2",
        "scoring_note": "Open how-many prompt; partner maps a clearly interpreted count or uncertainty. These 0–2 cases do not complete counting or question mastery."
      },
      {
        "id": "NPN-P08-presence-en-r1",
        "kind": "presence",
        "prompt": "Is there a spoon on the mat?",
        "primary_target_id": "FG-EXIST-01",
        "linked_concept_ids": [
          "Q01"
        ],
        "options": [
          {
            "id": "yes",
            "label": "Yes"
          },
          {
            "id": "no",
            "label": "No"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "yes"
        ],
        "accepted_meaning": "Yes",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      }
    ]
  },
  {
    "id": "NPN-P09",
    "scene_family_id": "NPN-FAMILY-P09",
    "partition": "practice",
    "title": "Reveal two separate objects",
    "setup": "Show two stacked cups, then separate them on the tray so both can be inspected before asking.",
    "variation": "occlusion resolved before counting",
    "questions": [
      {
        "id": "NPN-P09-number-en-r1",
        "kind": "number",
        "prompt": "Are there no cups, one, or more than one on the tray?",
        "primary_target_id": "FG-NUMBER-01",
        "linked_concept_ids": [
          "Q10",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "zero",
            "label": "None / zero"
          },
          {
            "id": "one",
            "label": "One"
          },
          {
            "id": "many",
            "label": "More than one"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "many"
        ],
        "accepted_meaning": "More than one",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P09-where-en-r1",
        "kind": "where",
        "prompt": "Where are the cups? Show every known place.",
        "primary_target_id": "Q03",
        "linked_concept_ids": [
          "FG-PREP-01",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "tray",
            "label": "On the tray"
          },
          {
            "id": "mat",
            "label": "On the mat"
          },
          {
            "id": "box",
            "label": "Inside the box"
          },
          {
            "id": "both",
            "label": "On the tray and mat"
          },
          {
            "id": "box_mat",
            "label": "In the box and on the mat"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "tray"
        ],
        "accepted_meaning": "On the tray",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P09-presence-en-r1",
        "kind": "presence",
        "prompt": "Is there a cup on the tray?",
        "primary_target_id": "FG-EXIST-01",
        "linked_concept_ids": [
          "Q01"
        ],
        "options": [
          {
            "id": "yes",
            "label": "Yes"
          },
          {
            "id": "no",
            "label": "No"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "yes"
        ],
        "accepted_meaning": "Yes",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P09-noun-en-r1",
        "kind": "noun",
        "prompt": "What is on the tray?",
        "primary_target_id": "Q01",
        "linked_concept_ids": [
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "cup",
            "label": "Cup / cups"
          },
          {
            "id": "spoon",
            "label": "Spoon / spoons"
          },
          {
            "id": "ball",
            "label": "Ball / balls"
          },
          {
            "id": "nothing",
            "label": "Nothing here"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "cup"
        ],
        "accepted_meaning": "Cup / cups",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P09-how_many-en-r1",
        "kind": "how_many",
        "prompt": "How many cups are on the tray?",
        "primary_target_id": "Q10",
        "linked_concept_ids": [
          "FG-NUMBER-01",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "0",
            "label": "0"
          },
          {
            "id": "1",
            "label": "1"
          },
          {
            "id": "2",
            "label": "2"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "2"
        ],
        "accepted_meaning": "2",
        "scoring_note": "Open how-many prompt; partner maps a clearly interpreted count or uncertainty. These 0–2 cases do not complete counting or question mastery."
      }
    ]
  },
  {
    "id": "NPN-P10",
    "scene_family_id": "NPN-FAMILY-P10",
    "partition": "practice",
    "title": "Two different examples",
    "setup": "Put two familiar but differently shaped cups on the mat. Check that both are recognised as cups before the mixed probe.",
    "variation": "category generalisation across examples",
    "questions": [
      {
        "id": "NPN-P10-how_many-en-r1",
        "kind": "how_many",
        "prompt": "How many cups are on the mat?",
        "primary_target_id": "Q10",
        "linked_concept_ids": [
          "FG-NUMBER-01",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "0",
            "label": "0"
          },
          {
            "id": "1",
            "label": "1"
          },
          {
            "id": "2",
            "label": "2"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "2"
        ],
        "accepted_meaning": "2",
        "scoring_note": "Open how-many prompt; partner maps a clearly interpreted count or uncertainty. These 0–2 cases do not complete counting or question mastery."
      },
      {
        "id": "NPN-P10-presence-en-r1",
        "kind": "presence",
        "prompt": "Is there a cup on the mat?",
        "primary_target_id": "FG-EXIST-01",
        "linked_concept_ids": [
          "Q01"
        ],
        "options": [
          {
            "id": "yes",
            "label": "Yes"
          },
          {
            "id": "no",
            "label": "No"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "yes"
        ],
        "accepted_meaning": "Yes",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P10-number-en-r1",
        "kind": "number",
        "prompt": "Are there no cups, one, or more than one on the mat?",
        "primary_target_id": "FG-NUMBER-01",
        "linked_concept_ids": [
          "Q10",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "zero",
            "label": "None / zero"
          },
          {
            "id": "one",
            "label": "One"
          },
          {
            "id": "many",
            "label": "More than one"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "many"
        ],
        "accepted_meaning": "More than one",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P10-noun-en-r1",
        "kind": "noun",
        "prompt": "What is on the mat?",
        "primary_target_id": "Q01",
        "linked_concept_ids": [
          "FG-NOUN-01",
          "FG-NOUN-02"
        ],
        "options": [
          {
            "id": "cup",
            "label": "Cup / cups"
          },
          {
            "id": "spoon",
            "label": "Spoon / spoons"
          },
          {
            "id": "ball",
            "label": "Ball / balls"
          },
          {
            "id": "nothing",
            "label": "Nothing here"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "cup"
        ],
        "accepted_meaning": "Cup / cups",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P10-where-en-r1",
        "kind": "where",
        "prompt": "Where are the cups? Show every known place.",
        "primary_target_id": "Q03",
        "linked_concept_ids": [
          "FG-PREP-01",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "tray",
            "label": "On the tray"
          },
          {
            "id": "mat",
            "label": "On the mat"
          },
          {
            "id": "box",
            "label": "Inside the box"
          },
          {
            "id": "both",
            "label": "On the tray and mat"
          },
          {
            "id": "box_mat",
            "label": "In the box and on the mat"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "mat"
        ],
        "accepted_meaning": "On the mat",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      }
    ]
  },
  {
    "id": "NPN-P11",
    "scene_family_id": "NPN-FAMILY-P11",
    "partition": "practice",
    "title": "Same thing, new place",
    "setup": "Move one spoon from the mat into an open box in view. Leave the box open and fully inspectable.",
    "variation": "identity maintained after location change",
    "questions": [
      {
        "id": "NPN-P11-noun-en-r1",
        "kind": "noun",
        "prompt": "What is inside the box?",
        "primary_target_id": "Q01",
        "linked_concept_ids": [
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "cup",
            "label": "Cup / cups"
          },
          {
            "id": "spoon",
            "label": "Spoon / spoons"
          },
          {
            "id": "ball",
            "label": "Ball / balls"
          },
          {
            "id": "nothing",
            "label": "Nothing here"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "spoon"
        ],
        "accepted_meaning": "Spoon / spoons",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P11-how_many-en-r1",
        "kind": "how_many",
        "prompt": "How many spoons are inside the box?",
        "primary_target_id": "Q10",
        "linked_concept_ids": [
          "FG-NUMBER-01",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "0",
            "label": "0"
          },
          {
            "id": "1",
            "label": "1"
          },
          {
            "id": "2",
            "label": "2"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "1"
        ],
        "accepted_meaning": "1",
        "scoring_note": "Open how-many prompt; partner maps a clearly interpreted count or uncertainty. These 0–2 cases do not complete counting or question mastery."
      },
      {
        "id": "NPN-P11-where-en-r1",
        "kind": "where",
        "prompt": "Where is the spoon? Show every known place.",
        "primary_target_id": "Q03",
        "linked_concept_ids": [
          "FG-PREP-01",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "tray",
            "label": "On the tray"
          },
          {
            "id": "mat",
            "label": "On the mat"
          },
          {
            "id": "box",
            "label": "Inside the box"
          },
          {
            "id": "both",
            "label": "On the tray and mat"
          },
          {
            "id": "box_mat",
            "label": "In the box and on the mat"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "box"
        ],
        "accepted_meaning": "Inside the box",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P11-presence-en-r1",
        "kind": "presence",
        "prompt": "Is there a spoon inside the box?",
        "primary_target_id": "FG-EXIST-01",
        "linked_concept_ids": [
          "Q01"
        ],
        "options": [
          {
            "id": "yes",
            "label": "Yes"
          },
          {
            "id": "no",
            "label": "No"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "yes"
        ],
        "accepted_meaning": "Yes",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P11-number-en-r1",
        "kind": "number",
        "prompt": "Are there no spoons, one, or more than one inside the box?",
        "primary_target_id": "FG-NUMBER-01",
        "linked_concept_ids": [
          "Q10",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "zero",
            "label": "None / zero"
          },
          {
            "id": "one",
            "label": "One"
          },
          {
            "id": "many",
            "label": "More than one"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "one"
        ],
        "accepted_meaning": "One",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      }
    ]
  },
  {
    "id": "NPN-P12",
    "scene_family_id": "NPN-FAMILY-P12",
    "partition": "practice",
    "title": "Name the scope",
    "setup": "Put one cup on the tray and two cups on the mat. Indicate the tray boundary without indicating any answer.",
    "variation": "count within named scope; location has two valid places",
    "questions": [
      {
        "id": "NPN-P12-where-en-r1",
        "kind": "where",
        "prompt": "Where are the cups? Show every known place.",
        "primary_target_id": "Q03",
        "linked_concept_ids": [
          "FG-PREP-01",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "tray",
            "label": "On the tray"
          },
          {
            "id": "mat",
            "label": "On the mat"
          },
          {
            "id": "box",
            "label": "Inside the box"
          },
          {
            "id": "both",
            "label": "On the tray and mat"
          },
          {
            "id": "box_mat",
            "label": "In the box and on the mat"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "both"
        ],
        "accepted_meaning": "On the tray and mat",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P12-noun-en-r1",
        "kind": "noun",
        "prompt": "What is on the tray?",
        "primary_target_id": "Q01",
        "linked_concept_ids": [
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "cup",
            "label": "Cup / cups"
          },
          {
            "id": "spoon",
            "label": "Spoon / spoons"
          },
          {
            "id": "ball",
            "label": "Ball / balls"
          },
          {
            "id": "nothing",
            "label": "Nothing here"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "cup"
        ],
        "accepted_meaning": "Cup / cups",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P12-how_many-en-r1",
        "kind": "how_many",
        "prompt": "How many cups are on the tray?",
        "primary_target_id": "Q10",
        "linked_concept_ids": [
          "FG-NUMBER-01",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "0",
            "label": "0"
          },
          {
            "id": "1",
            "label": "1"
          },
          {
            "id": "2",
            "label": "2"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "1"
        ],
        "accepted_meaning": "1",
        "scoring_note": "Open how-many prompt; partner maps a clearly interpreted count or uncertainty. These 0–2 cases do not complete counting or question mastery."
      },
      {
        "id": "NPN-P12-number-en-r1",
        "kind": "number",
        "prompt": "Are there no cups, one, or more than one on the tray?",
        "primary_target_id": "FG-NUMBER-01",
        "linked_concept_ids": [
          "Q10",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "zero",
            "label": "None / zero"
          },
          {
            "id": "one",
            "label": "One"
          },
          {
            "id": "many",
            "label": "More than one"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "one"
        ],
        "accepted_meaning": "One",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P12-presence-en-r1",
        "kind": "presence",
        "prompt": "Is there a cup on the tray?",
        "primary_target_id": "FG-EXIST-01",
        "linked_concept_ids": [
          "Q01"
        ],
        "options": [
          {
            "id": "yes",
            "label": "Yes"
          },
          {
            "id": "no",
            "label": "No"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "yes"
        ],
        "accepted_meaning": "Yes",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      }
    ]
  },
  {
    "id": "NPN-P13",
    "scene_family_id": "NPN-FAMILY-P13",
    "partition": "practice",
    "title": "Hidden after witnessing",
    "setup": "Show one ball inside the box. Close it while the learner watches; nobody moves the box or contents. If the event was not accessible, do not score the memory-based key.",
    "variation": "witnessed hiding versus absence",
    "questions": [
      {
        "id": "NPN-P13-number-en-r1",
        "kind": "number",
        "prompt": "Are there no balls, one, or more than one inside the box?",
        "primary_target_id": "FG-NUMBER-01",
        "linked_concept_ids": [
          "Q10",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "zero",
            "label": "None / zero"
          },
          {
            "id": "one",
            "label": "One"
          },
          {
            "id": "many",
            "label": "More than one"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "one"
        ],
        "accepted_meaning": "One",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P13-where-en-r1",
        "kind": "where",
        "prompt": "Where is the ball? Show every known place.",
        "primary_target_id": "Q03",
        "linked_concept_ids": [
          "FG-PREP-01",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "tray",
            "label": "On the tray"
          },
          {
            "id": "mat",
            "label": "On the mat"
          },
          {
            "id": "box",
            "label": "Inside the box"
          },
          {
            "id": "both",
            "label": "On the tray and mat"
          },
          {
            "id": "box_mat",
            "label": "In the box and on the mat"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "box"
        ],
        "accepted_meaning": "Inside the box",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P13-presence-en-r1",
        "kind": "presence",
        "prompt": "Is there a ball inside the box?",
        "primary_target_id": "FG-EXIST-03",
        "linked_concept_ids": [
          "Q01"
        ],
        "options": [
          {
            "id": "yes",
            "label": "Yes"
          },
          {
            "id": "no",
            "label": "No"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "yes"
        ],
        "accepted_meaning": "Yes",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P13-how_many-en-r1",
        "kind": "how_many",
        "prompt": "How many balls are inside the box?",
        "primary_target_id": "Q10",
        "linked_concept_ids": [
          "FG-NUMBER-01",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "0",
            "label": "0"
          },
          {
            "id": "1",
            "label": "1"
          },
          {
            "id": "2",
            "label": "2"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "1"
        ],
        "accepted_meaning": "1",
        "scoring_note": "Open how-many prompt; partner maps a clearly interpreted count or uncertainty. These 0–2 cases do not complete counting or question mastery."
      },
      {
        "id": "NPN-P13-noun-en-r1",
        "kind": "noun",
        "prompt": "What is hidden inside the box?",
        "primary_target_id": "Q01",
        "linked_concept_ids": [
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "cup",
            "label": "Cup / cups"
          },
          {
            "id": "spoon",
            "label": "Spoon / spoons"
          },
          {
            "id": "ball",
            "label": "Ball / balls"
          },
          {
            "id": "nothing",
            "label": "Nothing here"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "ball"
        ],
        "accepted_meaning": "Ball / balls",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      }
    ]
  },
  {
    "id": "NPN-P14",
    "scene_family_id": "NPN-FAMILY-P14",
    "partition": "practice",
    "title": "Unknown contents",
    "setup": "Offer a closed opaque box whose contents have not been shown or disclosed. Do not inspect it before these questions; the key concerns available evidence, not the actual hidden contents.",
    "variation": "unknown is not zero or no",
    "questions": [
      {
        "id": "NPN-P14-presence-en-r1",
        "kind": "presence",
        "prompt": "Is there a ball inside the box?",
        "primary_target_id": "FG-EXIST-04",
        "linked_concept_ids": [
          "Q01"
        ],
        "options": [
          {
            "id": "yes",
            "label": "Yes"
          },
          {
            "id": "no",
            "label": "No"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "unknown"
        ],
        "accepted_meaning": "Not known yet",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P14-number-en-r1",
        "kind": "number",
        "prompt": "Are there no balls, one, or more than one inside the box?",
        "primary_target_id": "FG-NUMBER-01",
        "linked_concept_ids": [
          "Q10",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "zero",
            "label": "None / zero"
          },
          {
            "id": "one",
            "label": "One"
          },
          {
            "id": "many",
            "label": "More than one"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "unknown"
        ],
        "accepted_meaning": "Not known yet",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P14-noun-en-r1",
        "kind": "noun",
        "prompt": "What is inside the box?",
        "primary_target_id": "Q01",
        "linked_concept_ids": [
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "cup",
            "label": "Cup / cups"
          },
          {
            "id": "spoon",
            "label": "Spoon / spoons"
          },
          {
            "id": "ball",
            "label": "Ball / balls"
          },
          {
            "id": "nothing",
            "label": "Nothing here"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "unknown"
        ],
        "accepted_meaning": "Not known yet",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P14-where-en-r1",
        "kind": "where",
        "prompt": "Where are the balls? Show every known place.",
        "primary_target_id": "Q03",
        "linked_concept_ids": [
          "FG-PREP-01",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "tray",
            "label": "On the tray"
          },
          {
            "id": "mat",
            "label": "On the mat"
          },
          {
            "id": "box",
            "label": "Inside the box"
          },
          {
            "id": "both",
            "label": "On the tray and mat"
          },
          {
            "id": "box_mat",
            "label": "In the box and on the mat"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "unknown"
        ],
        "accepted_meaning": "Not known yet",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P14-how_many-en-r1",
        "kind": "how_many",
        "prompt": "How many balls are inside the box?",
        "primary_target_id": "Q10",
        "linked_concept_ids": [
          "FG-NUMBER-01",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "0",
            "label": "0"
          },
          {
            "id": "1",
            "label": "1"
          },
          {
            "id": "2",
            "label": "2"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "unknown"
        ],
        "accepted_meaning": "Not known yet",
        "scoring_note": "Open how-many prompt; partner maps a clearly interpreted count or uncertainty. These 0–2 cases do not complete counting or question mastery."
      }
    ]
  },
  {
    "id": "NPN-P15",
    "scene_family_id": "NPN-FAMILY-P15",
    "partition": "practice",
    "title": "Inspection establishes absence",
    "setup": "Use a different box. Open it and inspect the entire empty interior together, then leave it open.",
    "variation": "absence supported by adequate inspection",
    "questions": [
      {
        "id": "NPN-P15-how_many-en-r1",
        "kind": "how_many",
        "prompt": "How many cups are inside the box?",
        "primary_target_id": "Q10",
        "linked_concept_ids": [
          "FG-NUMBER-01",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "0",
            "label": "0"
          },
          {
            "id": "1",
            "label": "1"
          },
          {
            "id": "2",
            "label": "2"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "0"
        ],
        "accepted_meaning": "0",
        "scoring_note": "Open how-many prompt; partner maps a clearly interpreted count or uncertainty. These 0–2 cases do not complete counting or question mastery."
      },
      {
        "id": "NPN-P15-noun-en-r1",
        "kind": "noun",
        "prompt": "What is inside the box?",
        "primary_target_id": "Q01",
        "linked_concept_ids": [
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "cup",
            "label": "Cup / cups"
          },
          {
            "id": "spoon",
            "label": "Spoon / spoons"
          },
          {
            "id": "ball",
            "label": "Ball / balls"
          },
          {
            "id": "nothing",
            "label": "Nothing here"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "nothing"
        ],
        "accepted_meaning": "Nothing here",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P15-where-en-r1",
        "kind": "where",
        "prompt": "Where are the cups? Show every known place.",
        "primary_target_id": "Q03",
        "linked_concept_ids": [
          "FG-PREP-01",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "tray",
            "label": "On the tray"
          },
          {
            "id": "mat",
            "label": "On the mat"
          },
          {
            "id": "box",
            "label": "Inside the box"
          },
          {
            "id": "both",
            "label": "On the tray and mat"
          },
          {
            "id": "box_mat",
            "label": "In the box and on the mat"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "unknown"
        ],
        "accepted_meaning": "Not known yet",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P15-presence-en-r1",
        "kind": "presence",
        "prompt": "Is there a cup inside the box?",
        "primary_target_id": "FG-EXIST-02",
        "linked_concept_ids": [
          "Q01"
        ],
        "options": [
          {
            "id": "yes",
            "label": "Yes"
          },
          {
            "id": "no",
            "label": "No"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "no"
        ],
        "accepted_meaning": "No",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P15-number-en-r1",
        "kind": "number",
        "prompt": "Are there no cups, one, or more than one inside the box?",
        "primary_target_id": "FG-NUMBER-01",
        "linked_concept_ids": [
          "Q10",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "zero",
            "label": "None / zero"
          },
          {
            "id": "one",
            "label": "One"
          },
          {
            "id": "many",
            "label": "More than one"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "zero"
        ],
        "accepted_meaning": "None / zero",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      }
    ]
  },
  {
    "id": "NPN-P16",
    "scene_family_id": "NPN-FAMILY-P16",
    "partition": "practice",
    "title": "Inspection establishes two",
    "setup": "Use another box; open it together to reveal two spoons, both fully visible.",
    "variation": "new evidence changes unknown into known quantity",
    "questions": [
      {
        "id": "NPN-P16-where-en-r1",
        "kind": "where",
        "prompt": "Where are the spoons? Show every known place.",
        "primary_target_id": "Q03",
        "linked_concept_ids": [
          "FG-PREP-01",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "tray",
            "label": "On the tray"
          },
          {
            "id": "mat",
            "label": "On the mat"
          },
          {
            "id": "box",
            "label": "Inside the box"
          },
          {
            "id": "both",
            "label": "On the tray and mat"
          },
          {
            "id": "box_mat",
            "label": "In the box and on the mat"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "box"
        ],
        "accepted_meaning": "Inside the box",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P16-how_many-en-r1",
        "kind": "how_many",
        "prompt": "How many spoons are inside the box?",
        "primary_target_id": "Q10",
        "linked_concept_ids": [
          "FG-NUMBER-01",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "0",
            "label": "0"
          },
          {
            "id": "1",
            "label": "1"
          },
          {
            "id": "2",
            "label": "2"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "2"
        ],
        "accepted_meaning": "2",
        "scoring_note": "Open how-many prompt; partner maps a clearly interpreted count or uncertainty. These 0–2 cases do not complete counting or question mastery."
      },
      {
        "id": "NPN-P16-noun-en-r1",
        "kind": "noun",
        "prompt": "What is inside the box?",
        "primary_target_id": "Q01",
        "linked_concept_ids": [
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "cup",
            "label": "Cup / cups"
          },
          {
            "id": "spoon",
            "label": "Spoon / spoons"
          },
          {
            "id": "ball",
            "label": "Ball / balls"
          },
          {
            "id": "nothing",
            "label": "Nothing here"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "spoon"
        ],
        "accepted_meaning": "Spoon / spoons",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P16-number-en-r1",
        "kind": "number",
        "prompt": "Are there no spoons, one, or more than one inside the box?",
        "primary_target_id": "FG-NUMBER-01",
        "linked_concept_ids": [
          "Q10",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "zero",
            "label": "None / zero"
          },
          {
            "id": "one",
            "label": "One"
          },
          {
            "id": "many",
            "label": "More than one"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "many"
        ],
        "accepted_meaning": "More than one",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P16-presence-en-r1",
        "kind": "presence",
        "prompt": "Is there a spoon inside the box?",
        "primary_target_id": "FG-EXIST-01",
        "linked_concept_ids": [
          "Q01"
        ],
        "options": [
          {
            "id": "yes",
            "label": "Yes"
          },
          {
            "id": "no",
            "label": "No"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "yes"
        ],
        "accepted_meaning": "Yes",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      }
    ]
  },
  {
    "id": "NPN-P17",
    "scene_family_id": "NPN-FAMILY-P17",
    "partition": "practice",
    "title": "One remains",
    "setup": "Show two cups on the tray, then move one to the mat in view. Ask about the final tray.",
    "variation": "track remaining set after removal",
    "questions": [
      {
        "id": "NPN-P17-number-en-r1",
        "kind": "number",
        "prompt": "Are there no cups, one, or more than one on the tray?",
        "primary_target_id": "FG-NUMBER-01",
        "linked_concept_ids": [
          "Q10",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "zero",
            "label": "None / zero"
          },
          {
            "id": "one",
            "label": "One"
          },
          {
            "id": "many",
            "label": "More than one"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "one"
        ],
        "accepted_meaning": "One",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P17-where-en-r1",
        "kind": "where",
        "prompt": "Where are the cups? Show every known place.",
        "primary_target_id": "Q03",
        "linked_concept_ids": [
          "FG-PREP-01",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "tray",
            "label": "On the tray"
          },
          {
            "id": "mat",
            "label": "On the mat"
          },
          {
            "id": "box",
            "label": "Inside the box"
          },
          {
            "id": "both",
            "label": "On the tray and mat"
          },
          {
            "id": "box_mat",
            "label": "In the box and on the mat"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "both"
        ],
        "accepted_meaning": "On the tray and mat",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P17-how_many-en-r1",
        "kind": "how_many",
        "prompt": "How many cups are on the tray?",
        "primary_target_id": "Q10",
        "linked_concept_ids": [
          "FG-NUMBER-01",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "0",
            "label": "0"
          },
          {
            "id": "1",
            "label": "1"
          },
          {
            "id": "2",
            "label": "2"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "1"
        ],
        "accepted_meaning": "1",
        "scoring_note": "Open how-many prompt; partner maps a clearly interpreted count or uncertainty. These 0–2 cases do not complete counting or question mastery."
      },
      {
        "id": "NPN-P17-presence-en-r1",
        "kind": "presence",
        "prompt": "Is there a cup on the tray?",
        "primary_target_id": "FG-EXIST-05",
        "linked_concept_ids": [
          "Q01"
        ],
        "options": [
          {
            "id": "yes",
            "label": "Yes"
          },
          {
            "id": "no",
            "label": "No"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "yes"
        ],
        "accepted_meaning": "Yes",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P17-noun-en-r1",
        "kind": "noun",
        "prompt": "What is on the tray?",
        "primary_target_id": "Q01",
        "linked_concept_ids": [
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "cup",
            "label": "Cup / cups"
          },
          {
            "id": "spoon",
            "label": "Spoon / spoons"
          },
          {
            "id": "ball",
            "label": "Ball / balls"
          },
          {
            "id": "nothing",
            "label": "Nothing here"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "cup"
        ],
        "accepted_meaning": "Cup / cups",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      }
    ]
  },
  {
    "id": "NPN-P18",
    "scene_family_id": "NPN-FAMILY-P18",
    "partition": "practice",
    "title": "One added",
    "setup": "Start with one ball on the mat. Add another ball in view; both stay visible.",
    "variation": "update quantity after addition",
    "questions": [
      {
        "id": "NPN-P18-presence-en-r1",
        "kind": "presence",
        "prompt": "Is there a ball on the mat?",
        "primary_target_id": "FG-EXIST-05",
        "linked_concept_ids": [
          "Q01"
        ],
        "options": [
          {
            "id": "yes",
            "label": "Yes"
          },
          {
            "id": "no",
            "label": "No"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "yes"
        ],
        "accepted_meaning": "Yes",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P18-number-en-r1",
        "kind": "number",
        "prompt": "Are there no balls, one, or more than one on the mat?",
        "primary_target_id": "FG-NUMBER-01",
        "linked_concept_ids": [
          "Q10",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "zero",
            "label": "None / zero"
          },
          {
            "id": "one",
            "label": "One"
          },
          {
            "id": "many",
            "label": "More than one"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "many"
        ],
        "accepted_meaning": "More than one",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P18-noun-en-r1",
        "kind": "noun",
        "prompt": "What is on the mat?",
        "primary_target_id": "Q01",
        "linked_concept_ids": [
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "cup",
            "label": "Cup / cups"
          },
          {
            "id": "spoon",
            "label": "Spoon / spoons"
          },
          {
            "id": "ball",
            "label": "Ball / balls"
          },
          {
            "id": "nothing",
            "label": "Nothing here"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "ball"
        ],
        "accepted_meaning": "Ball / balls",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P18-how_many-en-r1",
        "kind": "how_many",
        "prompt": "How many balls are on the mat?",
        "primary_target_id": "Q10",
        "linked_concept_ids": [
          "FG-NUMBER-01",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "0",
            "label": "0"
          },
          {
            "id": "1",
            "label": "1"
          },
          {
            "id": "2",
            "label": "2"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "2"
        ],
        "accepted_meaning": "2",
        "scoring_note": "Open how-many prompt; partner maps a clearly interpreted count or uncertainty. These 0–2 cases do not complete counting or question mastery."
      },
      {
        "id": "NPN-P18-where-en-r1",
        "kind": "where",
        "prompt": "Where are the balls? Show every known place.",
        "primary_target_id": "Q03",
        "linked_concept_ids": [
          "FG-PREP-01",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "tray",
            "label": "On the tray"
          },
          {
            "id": "mat",
            "label": "On the mat"
          },
          {
            "id": "box",
            "label": "Inside the box"
          },
          {
            "id": "both",
            "label": "On the tray and mat"
          },
          {
            "id": "box_mat",
            "label": "In the box and on the mat"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "mat"
        ],
        "accepted_meaning": "On the mat",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      }
    ]
  },
  {
    "id": "NPN-P19",
    "scene_family_id": "NPN-FAMILY-P19",
    "partition": "practice",
    "title": "Boundary matters",
    "setup": "Put one spoon fully inside the open box and one beside it on the mat. Clearly establish inside versus beside before asking.",
    "variation": "exclude a nearby object outside the named boundary",
    "questions": [
      {
        "id": "NPN-P19-noun-en-r1",
        "kind": "noun",
        "prompt": "What is inside the box?",
        "primary_target_id": "Q01",
        "linked_concept_ids": [
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "cup",
            "label": "Cup / cups"
          },
          {
            "id": "spoon",
            "label": "Spoon / spoons"
          },
          {
            "id": "ball",
            "label": "Ball / balls"
          },
          {
            "id": "nothing",
            "label": "Nothing here"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "spoon"
        ],
        "accepted_meaning": "Spoon / spoons",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P19-where-en-r1",
        "kind": "where",
        "prompt": "Where are the spoons? Show every known place.",
        "primary_target_id": "Q03",
        "linked_concept_ids": [
          "FG-PREP-01",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "tray",
            "label": "On the tray"
          },
          {
            "id": "mat",
            "label": "On the mat"
          },
          {
            "id": "box",
            "label": "Inside the box"
          },
          {
            "id": "both",
            "label": "On the tray and mat"
          },
          {
            "id": "box_mat",
            "label": "In the box and on the mat"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "box_mat"
        ],
        "accepted_meaning": "In the box and on the mat",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P19-presence-en-r1",
        "kind": "presence",
        "prompt": "Is there a spoon inside the box?",
        "primary_target_id": "FG-EXIST-01",
        "linked_concept_ids": [
          "Q01"
        ],
        "options": [
          {
            "id": "yes",
            "label": "Yes"
          },
          {
            "id": "no",
            "label": "No"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "yes"
        ],
        "accepted_meaning": "Yes",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P19-number-en-r1",
        "kind": "number",
        "prompt": "Are there no spoons, one, or more than one inside the box?",
        "primary_target_id": "FG-NUMBER-01",
        "linked_concept_ids": [
          "Q10",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "zero",
            "label": "None / zero"
          },
          {
            "id": "one",
            "label": "One"
          },
          {
            "id": "many",
            "label": "More than one"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "one"
        ],
        "accepted_meaning": "One",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P19-how_many-en-r1",
        "kind": "how_many",
        "prompt": "How many spoons are inside the box?",
        "primary_target_id": "Q10",
        "linked_concept_ids": [
          "FG-NUMBER-01",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "0",
            "label": "0"
          },
          {
            "id": "1",
            "label": "1"
          },
          {
            "id": "2",
            "label": "2"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "1"
        ],
        "accepted_meaning": "1",
        "scoring_note": "Open how-many prompt; partner maps a clearly interpreted count or uncertainty. These 0–2 cases do not complete counting or question mastery."
      }
    ]
  },
  {
    "id": "NPN-P20",
    "scene_family_id": "NPN-FAMILY-P20",
    "partition": "practice",
    "title": "Switch the requested information",
    "setup": "Put a cup on the mat, a ball on the tray and a spoon inside the open box. Ask in the listed mixed order without announcing the question type.",
    "variation": "same rich scene, different information requested",
    "questions": [
      {
        "id": "NPN-P20-how_many-en-r1",
        "kind": "how_many",
        "prompt": "How many balls are on the tray?",
        "primary_target_id": "Q10",
        "linked_concept_ids": [
          "FG-NUMBER-01",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "0",
            "label": "0"
          },
          {
            "id": "1",
            "label": "1"
          },
          {
            "id": "2",
            "label": "2"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "1"
        ],
        "accepted_meaning": "1",
        "scoring_note": "Open how-many prompt; partner maps a clearly interpreted count or uncertainty. These 0–2 cases do not complete counting or question mastery."
      },
      {
        "id": "NPN-P20-where-en-r1",
        "kind": "where",
        "prompt": "Where is the ball? Show every known place.",
        "primary_target_id": "Q03",
        "linked_concept_ids": [
          "FG-PREP-01",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "tray",
            "label": "On the tray"
          },
          {
            "id": "mat",
            "label": "On the mat"
          },
          {
            "id": "box",
            "label": "Inside the box"
          },
          {
            "id": "both",
            "label": "On the tray and mat"
          },
          {
            "id": "box_mat",
            "label": "In the box and on the mat"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "tray"
        ],
        "accepted_meaning": "On the tray",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P20-noun-en-r1",
        "kind": "noun",
        "prompt": "What is on the tray?",
        "primary_target_id": "Q01",
        "linked_concept_ids": [
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "cup",
            "label": "Cup / cups"
          },
          {
            "id": "spoon",
            "label": "Spoon / spoons"
          },
          {
            "id": "ball",
            "label": "Ball / balls"
          },
          {
            "id": "nothing",
            "label": "Nothing here"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "ball"
        ],
        "accepted_meaning": "Ball / balls",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P20-number-en-r1",
        "kind": "number",
        "prompt": "Are there no balls, one, or more than one on the tray?",
        "primary_target_id": "FG-NUMBER-01",
        "linked_concept_ids": [
          "Q10",
          "FG-NOUN-01"
        ],
        "options": [
          {
            "id": "zero",
            "label": "None / zero"
          },
          {
            "id": "one",
            "label": "One"
          },
          {
            "id": "many",
            "label": "More than one"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "one"
        ],
        "accepted_meaning": "One",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      },
      {
        "id": "NPN-P20-presence-en-r1",
        "kind": "presence",
        "prompt": "Is there a ball on the tray?",
        "primary_target_id": "FG-EXIST-01",
        "linked_concept_ids": [
          "Q01"
        ],
        "options": [
          {
            "id": "yes",
            "label": "Yes"
          },
          {
            "id": "no",
            "label": "No"
          },
          {
            "id": "unknown",
            "label": "Not known yet"
          }
        ],
        "accepted_response_ids": [
          "yes"
        ],
        "accepted_meaning": "Yes",
        "scoring_note": "One response, one primary score. Linked concepts are investigation links, not extra successful trials. Natural alternatives need partner confirmation; uncertain interpretation goes to review."
      }
    ]
  }
]
