{
  "clip_id": "0037",
  "source_episode": "episode_030",
  "source_camera": "exterior1",
  "source_video": "/mnt/pfs/share/shentingrui/dataset/droid-100/episode_030/exterior1.mp4",
  "start_time_s": 6.0,
  "end_time_s": 16.0,
  "start_frame": 90,
  "end_frame_exclusive": 240,
  "duration_s": 10.0,
  "object_name": "purple ball",
  "action_label": "pick_up_object",
  "description": "The robot arm descends towards a toy pot on a stove, grasps a purple ball resting inside, and lifts it out of the pot.",
  "evidence": "The gripper is clearly visible entering the pot and lifting the purple ball. The green ball remains in the pot, confirming single-object manipulation.",
  "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
  }
}