{
  "clip_id": "0011",
  "source_episode": "episode_010",
  "source_camera": "exterior1",
  "source_video": "/mnt/pfs/share/shentingrui/dataset/droid-100/episode_010/exterior1.mp4",
  "start_time_s": 5.0,
  "end_time_s": 7.2,
  "start_frame": 75,
  "end_frame_exclusive": 108,
  "duration_s": 2.2,
  "object_name": "green block",
  "action_label": "place",
  "description": "The robot arm descends towards a cluster of colorful blocks on a white table, positions its gripper around a standing green block, places it flat on the table surface, and then lifts its arm away.",
  "evidence": "The green block changes orientation from upright to flat while the gripper interacts with it. The gripper is clearly visible at the start (approaching) and end (retracting) of the interaction.",
  "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": 0.9
  }
}