{
  "clip_id": "0024",
  "source_episode": "episode_017",
  "source_camera": "exterior2",
  "source_video": "/mnt/pfs/share/shentingrui/dataset/droid-100/episode_017/exterior2.mp4",
  "start_time_s": 3.0,
  "end_time_s": 10.0,
  "start_frame": 45,
  "end_frame_exclusive": 150,
  "duration_s": 7.0,
  "object_name": "marker",
  "action_label": "pick_and_place",
  "description": "The robot lifts a white marker from a metal cup and places it onto the wooden table surface next to the cup.",
  "evidence": "The gripper is visible grasping the marker inside the cup at the start (3.0s) and releasing it on the table towards the end of the clip.",
  "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
  }
}