{
  "clip_id": "0021",
  "source_episode": "episode_016",
  "source_camera": "exterior1",
  "source_video": "/mnt/pfs/share/shentingrui/dataset/droid-100/episode_016/exterior1.mp4",
  "start_time_s": 11.0,
  "end_time_s": 30.0,
  "start_frame": 165,
  "end_frame_exclusive": 450,
  "duration_s": 19.0,
  "object_name": "black jacket",
  "action_label": "hang_object",
  "description": "The robot holds a black jacket and maneuvers it towards a coat rack. It carefully places the garment onto a hook, makes minor adjustments to ensure it is secure, and then releases the gripper to move the arm away.",
  "evidence": "The gripper is clearly visible manipulating the single black object (jacket) throughout the clip. The object is successfully placed on the rack hook by the end of the sequence.",
  "quality": {
    "gripper_visible_start": true,
    "gripper_visible_end": true,
    "motion_smooth": true,
    "single_object_only": true,
    "object_clear": true,
    "meaningful_successful_action": true
  },
  "vlm": {
    "provider": "qwen",
    "verification_confidence": 0.95
  }
}