{
 "id": "B15-A",
 "counterpart": "B15-B",
 "genre": "camping",
 "interaction_family": "trigger_mechanism",
 "initial_scene": {
  "description": "a campsite in mild daylight, a large metal hand crank on a post, a canvas tent with its entrance flap closed, and three camp lamps hanging with dark dead glass a single camper seen in third person from behind, standing in place at the crank with a hand on the handle",
  "third_person_player": true,
  "player_pose_and_item": "a single camper seen in third person from behind, standing in place at the crank with a hand on the handle",
  "action_target": "the large crank",
  "other_key_objects": [
   "hand_crank",
   "tent",
   "camp_lamps"
  ],
  "shared_visual_state": [
   "the tent entrance flap is closed",
   "all three camp lamps hang with dark dead glass"
  ],
  "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/B15.png"
 },
 "hidden_state": {
  "variable": "camp_mode",
  "A": "TENT",
  "B": "LIGHTS",
  "visible_in_initial_frame": false
 },
 "rule": {
  "text": "If the camp_mode is TENT, the tent entrance flap opens wide; if it is LIGHTS, all three camp lamps light up.",
  "precondition": "camp_mode == 'TENT'",
  "effect": "tent.open = true",
  "else_effect": "lamps.lit = true",
  "mapping": {
   "TENT": "tent.open = true",
   "LIGHTS": "lamps.lit = true"
  }
 },
 "shared_action": "The large crank clearly rotates through one full turn.",
 "instruction": "Preserve the first frame. camp_mode = TENT, so the resolved rule is: the tent entrance flap opens wide. Action: The large crank clearly rotates through one full turn. Show the action, then exactly this consequence: the tent entrance flap opens wide The counter-outcome must NOT happen at any point: all three camp lamps glow bright. Instead, all three camp lamps hang with dark dead glass 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": {
  "tent": {
   "open": false
  },
  "lamps": {
   "lit": false
  },
  "camp_mode": "TENT"
 },
 "gold_end_state": {
  "tent.open": true,
  "lamps.lit": false
 },
 "delta": {
  "tent.open": true
 },
 "visual_vocab": {
  "tent.open": {
   "false": "the tent entrance flap is closed",
   "true": "the tent entrance flap is wide open"
  },
  "lamps.lit": {
   "false": "all three camp lamps hang with dark dead glass",
   "true": "all three camp lamps glow bright"
  }
 },
 "gold_A": "the tent entrance flap opens wide",
 "gold_B": "all three camp lamps light up",
 "terminal_visual_states": {
  "occurs": {
   "variable": "tent.open",
   "value": true,
   "phrase": "the tent entrance flap is wide open",
   "judge_label": "the tent is open",
   "in_final_frame": true
  },
  "not_occurs": {
   "variable": "lamps.lit",
   "value": true,
   "phrase": "all three camp lamps glow bright",
   "judge_label": "the lamps are lit",
   "in_final_frame": false,
   "instead_remains": "all three camp lamps hang with dark dead glass"
  }
 },
 "prompt_ok": [
  "TENT"
 ],
 "judge": {
  "initial_questions": [
   {
    "question": "Is it true that the player stands with a hand on the crank?",
    "statement": "the player stands with a hand on the crank",
    "answers": [
     "yes",
     "no"
    ],
    "expected": "yes"
   },
   {
    "question": "Is it true that the tent is closed and the camp lamps are unlit?",
    "statement": "the tent is closed and the camp lamps are unlit",
    "answers": [
     "yes",
     "no"
    ],
    "expected": "yes"
   }
  ],
  "action_question": {
   "question": "Did the crank clearly rotate through a full turn?",
   "answers": [
    "yes",
    "no"
   ],
   "expected": "yes"
  },
  "outcome_question": {
   "question": "At the end, is the tent open, or the camp lamps lit?",
   "answers": [
    "the tent is open",
    "the lamps are lit",
    "unclear"
   ],
   "expected": "the tent is open",
   "not_expected": "the lamps are lit"
  }
 },
 "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"
}