{
 "id": "B23-B",
 "counterpart": "B23-A",
 "genre": "survival",
 "interaction_family": "trigger_cast",
 "initial_scene": {
  "description": "a forest clearing in grey afternoon light, a large whole wood stump at the center, and a stone campfire ring with pale grey cold ash behind it a single woodsman seen in third person from behind, standing in place beside the stump with an axe held ready",
  "third_person_player": true,
  "player_pose_and_item": "a single woodsman seen in third person from behind, standing in place beside the stump with an axe held ready",
  "action_target": "the player's axe swing",
  "other_key_objects": [
   "wood_stump",
   "campfire_ring"
  ],
  "shared_visual_state": [
   "the large wood stump is whole, a single solid round log",
   "the campfire ring holds only pale grey cold ash and charred black logs"
  ],
  "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/B23.png"
 },
 "hidden_state": {
  "variable": "survival_mode",
  "A": "LOG",
  "B": "FIRE",
  "visible_in_initial_frame": false
 },
 "rule": {
  "text": "If the survival_mode is LOG, the stump splits into two halves; if it is FIRE, the campfire behind bursts into tall flames.",
  "precondition": "survival_mode == 'LOG'",
  "effect": "stump.state = 'split'",
  "else_effect": "fire.lit = true",
  "mapping": {
   "LOG": "stump.state = 'split'",
   "FIRE": "fire.lit = true"
  }
 },
 "shared_action": "The player stays in place and performs one clear downward axe swing.",
 "instruction": "Preserve the first frame. survival_mode = FIRE, so the resolved rule is: the campfire behind bursts into tall flames. Action: The player stays in place and performs one clear downward axe swing. Show the action, then exactly this consequence: the campfire behind bursts into tall flames The counter-outcome must NOT happen at any point: the large wood stump is split into two halves. Instead, the large wood stump is whole, a single solid round log 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": {
  "stump": {
   "state": "whole"
  },
  "fire": {
   "lit": false
  },
  "survival_mode": "FIRE"
 },
 "gold_end_state": {
  "stump.state": "whole",
  "fire.lit": true
 },
 "delta": {
  "fire.lit": true
 },
 "visual_vocab": {
  "stump.state": {
   "whole": "the large wood stump is whole, a single solid round log",
   "split": "the large wood stump is split into two halves"
  },
  "fire.lit": {
   "false": "the campfire ring holds only pale grey cold ash and charred black logs",
   "true": "the campfire burns with tall bright flames"
  }
 },
 "gold_A": "the stump splits into two halves",
 "gold_B": "the campfire behind bursts into tall flames",
 "terminal_visual_states": {
  "occurs": {
   "variable": "fire.lit",
   "value": true,
   "phrase": "the campfire burns with tall bright flames",
   "judge_label": "the campfire burns",
   "in_final_frame": true
  },
  "not_occurs": {
   "variable": "stump.state",
   "value": "split",
   "phrase": "the large wood stump is split into two halves",
   "judge_label": "the stump is split",
   "in_final_frame": false,
   "instead_remains": "the large wood stump is whole, a single solid round log"
  }
 },
 "prompt_ok": [
  "LOG"
 ],
 "judge": {
  "initial_questions": [
   {
    "question": "Is it true that the player stands beside a whole wood stump with an axe?",
    "statement": "the player stands beside a whole wood stump with an axe",
    "answers": [
     "yes",
     "no"
    ],
    "expected": "yes"
   },
   {
    "question": "Is it true that the campfire ring holds only cold ash?",
    "statement": "the campfire ring holds only cold ash",
    "answers": [
     "yes",
     "no"
    ],
    "expected": "yes"
   }
  ],
  "action_question": {
   "question": "Did the player perform one clear downward axe swing?",
   "answers": [
    "yes",
    "no"
   ],
   "expected": "yes"
  },
  "outcome_question": {
   "question": "At the end, is the stump split, or the campfire burning?",
   "answers": [
    "the stump is split",
    "the campfire burns",
    "unclear"
   ],
   "expected": "the campfire burns",
   "not_expected": "the stump is split"
  }
 },
 "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"
}