{
 "schema_version": 1,
 "source": "vendor annotation.json (schema 2, revision 1)",
 "time_reference": "start_s / end_s: seconds from the start of the segment video, [start, end); t_start / t_end: the same bounds on the session time base (meta.json time_base, t = 0 at the first solved Body0 frame) = start_s + video_t_start",
 "primitive": "SM42",
 "instruction": "Reach as far as you comfortably can in each direction the operator calls: up, down, forward, each side, and behind. Hold each one briefly. Keep both feet on the marked spots for the whole take. If you have to step, stop and tell the operator.",
 "segments": [
  {
   "id": "segment1",
   "duration_s": 128.966556,
   "video": "left_eye",
   "video_t_start": 0.03922280649234633
  }
 ],
 "episodes": [
  {
   "id": "58385e63-8f94-4411-8df5-14ffb2be8ed2",
   "segment": "segment1",
   "action": "SM42",
   "quality": "valid",
   "start_s": 1.192,
   "end_s": 65.888,
   "t_start": 1.2312,
   "t_end": 65.9272,
   "instruction": "Reach as far as you comfortably can in each direction the operator calls: up, down, forward, each side, and behind. Hold each one briefly. Keep both feet on the marked spots for the whole take. If you have to step, stop and tell the operator."
  },
  {
   "id": "be05d4fb-7a96-44b5-b7cf-86d7a292986b",
   "segment": "segment1",
   "action": "SM42",
   "quality": "valid",
   "start_s": 71.888,
   "end_s": 121.464,
   "t_start": 71.9272,
   "t_end": 121.5032,
   "instruction": "Reach as far as you comfortably can in each direction the operator calls: up, down, forward, each side, and behind. Hold each one briefly. Keep both feet on the marked spots for the whole take. If you have to step, stop and tell the operator."
  }
 ]
}