{
 "id": "B35-A",
 "counterpart": "B35-B",
 "genre": "museum",
 "interaction_family": "trigger_zone",
 "initial_scene": {
  "description": "a gallery hall in cool even light, a large brass floor marker before the center statue which faces straight forward, and a heavy curtain drawn fully closed across the back wall a single visitor seen in third person from behind, standing in place just before the floor marker",
  "third_person_player": true,
  "player_pose_and_item": "a single visitor seen in third person from behind, standing in place just before the floor marker",
  "action_target": "the gallery floor marker",
  "other_key_objects": [
   "floor_marker",
   "center_statue",
   "curtain"
  ],
  "shared_visual_state": [
   "the statue faces straight forward",
   "the curtain is drawn fully closed across the wall"
  ],
  "camera": "locked third-person, fixed framing",
  "style": "stylized 3D third-person adventure game environment, clean uncluttered composition, readable silhouettes, medium-wide fixed gameplay camera, soft cool-neutral ambient lighting, restrained materials, no HUD, no subtitles, no readable text",
  "keyframe": "frames/B35.png"
 },
 "hidden_state": {
  "variable": "gallery_mode",
  "A": "STATUE",
  "B": "CURTAIN",
  "visible_in_initial_frame": false
 },
 "rule": {
  "text": "If the gallery_mode is STATUE, the statue rotates a quarter turn; if it is CURTAIN, the back curtain pulls fully open.",
  "precondition": "gallery_mode == 'STATUE'",
  "effect": "statue.turned = true",
  "else_effect": "curtain.open = true",
  "mapping": {
   "STATUE": "statue.turned = true",
   "CURTAIN": "curtain.open = true"
  }
 },
 "shared_action": "The player takes one short step forward onto the large gallery floor marker.",
 "instruction": "Preserve the first frame. gallery_mode = STATUE, so the resolved rule is: the statue rotates a quarter turn. Action: The player takes one short step forward onto the large gallery floor marker. Show the action, then exactly this consequence: the statue rotates a quarter turn The counter-outcome must NOT happen at any point: the curtain is pulled fully open to the sides. Instead, the curtain is drawn fully closed across the wall throughout the clip. Hold the final state for about the last second. One continuous 3-second third-person clip, fixed camera, no HUD, no subtitles, no readable text.",
 "initial_state": {
  "statue": {
   "turned": false
  },
  "curtain": {
   "open": false
  },
  "gallery_mode": "STATUE"
 },
 "gold_end_state": {
  "statue.turned": true,
  "curtain.open": false
 },
 "delta": {
  "statue.turned": true
 },
 "visual_vocab": {
  "statue.turned": {
   "false": "the statue faces straight forward",
   "true": "the statue is rotated a quarter turn to the side"
  },
  "curtain.open": {
   "false": "the curtain is drawn fully closed across the wall",
   "true": "the curtain is pulled fully open to the sides"
  }
 },
 "gold_A": "the statue rotates a quarter turn",
 "gold_B": "the back curtain pulls fully open",
 "terminal_visual_states": {
  "occurs": {
   "variable": "statue.turned",
   "value": true,
   "phrase": "the statue is rotated a quarter turn to the side",
   "judge_label": "the statue is rotated",
   "in_final_frame": true
  },
  "not_occurs": {
   "variable": "curtain.open",
   "value": true,
   "phrase": "the curtain is pulled fully open to the sides",
   "judge_label": "the curtain is open",
   "in_final_frame": false,
   "instead_remains": "the curtain is drawn fully closed across the wall"
  }
 },
 "prompt_ok": [
  "STATUE",
  "CURTAIN"
 ],
 "judge": {
  "initial_questions": [
   {
    "question": "Is it true that the player stands before the brass floor marker?",
    "statement": "the player stands before the brass floor marker",
    "answers": [
     "yes",
     "no"
    ],
    "expected": "yes"
   },
   {
    "question": "Is it true that the statue faces forward and the curtain is closed?",
    "statement": "the statue faces forward and the curtain is closed",
    "answers": [
     "yes",
     "no"
    ],
    "expected": "yes"
   }
  ],
  "action_question": {
   "question": "Did the player step onto the floor marker?",
   "answers": [
    "yes",
    "no"
   ],
   "expected": "yes"
  },
  "outcome_question": {
   "question": "At the end, is the statue rotated, or the curtain open?",
   "answers": [
    "the statue is rotated",
    "the curtain is open",
    "unclear"
   ],
   "expected": "the statue is rotated",
   "not_expected": "the curtain is open"
  }
 },
 "constraints": {
  "identical_initial_frame": true,
  "hidden_state_not_visually_leaked": true,
  "same_action_across_twins": true,
  "both_outcomes_change": true,
  "one_action_per_chunk": true,
  "duration_seconds": "2-5"
 },
 "input_image": "input.png"
}