{
  "session_id": "session_data_20260405_075640",
  "total_duration_s": 1159.7,
  "n_input_spans": 112,
  "session_goal": "Sew green patterned, green floral, dark green patterned, and floral fabrics using sewing machine and scissors.",
  "sub_goals": [
    {
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          "description": "Reposition new section, sew, adjust edge, and cut thread with red scissors.",
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      "description": "Thread sewing machine needle and sew green floral fabric.",
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          "description": "Thread sewing machine needle and adjust components.",
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        {
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          "description": "Flip green floral fabric, sew reverse side, and lift from sewing machine.",
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        }
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    {
      "sub_goal_id": 3,
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      "end_time": 827.0,
      "description": "Sew dark green patterned fabric with sewing machine and cut thread with red-handled scissors.",
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        {
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          "end_time": 707.0,
          "description": "Position, sew, adjust dark green fabric, cut thread with red-handled scissors.",
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        },
        {
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          "description": "Reposition, flip, sew dark green fabric, and cut thread.",
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      ]
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    {
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      "end_time": 935.9,
      "description": "Cut floral patterned fabric with pink-handled scissors and sew with sewing machine.",
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          "end_time": 916.1,
          "description": "Smooth, reposition, and cut floral fabric with pink-handled scissors.",
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        },
        {
          "episode_id": 2,
          "start_time": 916.1,
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          "description": "Position floral fabric under needle, sew, and examine.",
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        }
      ]
    }
  ]
}