{
  "clip_id": "0013",
  "source_episode": "episode_011",
  "source_camera": "exterior2",
  "source_video": "/mnt/pfs/share/shentingrui/dataset/droid-100/episode_011/exterior2.mp4",
  "start_time_s": 2.2,
  "end_time_s": 10.2,
  "start_frame": 33,
  "end_frame_exclusive": 153,
  "duration_s": 7.999999999999999,
  "object_name": "black object",
  "action_label": "pick_up",
  "description": "The robot arm descends towards a wooden shape-sorting block on the table, grasps a black object (likely a handle or tool part) resting in the block, and lifts it upwards, successfully removing it from the container.",
  "evidence": "The gripper is visible at both the start (descending) and end (holding the lifted object). The motion is continuous and smooth. Only the black object is manipulated; the wooden block remains stationary. The object is clearly visible against the lighter background.",
  "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
  }
}