{
  "session_id": "session_data_20260405_091450",
  "total_duration_s": 710.2,
  "n_input_spans": 61,
  "session_goal": "Cook grains in pressure cooker, chop bottle gourd and green vegetables, and dice onions and tomatoes for blending.",
  "sub_goals": [
    {
      "sub_goal_id": 1,
      "start_time": 0.0,
      "end_time": 121.0,
      "description": "Retrieve metal pots and grain containers, wash grains, and attach pressure cooker lid on stove.",
      "episodes": [
        {
          "episode_id": 1,
          "start_time": 0.0,
          "end_time": 33.0,
          "description": "Retrieve metal pots and grain containers from lower cabinet and upper shelf.",
          "span_indices": [
            0,
            1,
            2,
            3,
            4,
            5,
            6
          ]
        },
        {
          "episode_id": 2,
          "start_time": 33.0,
          "end_time": 80.0,
          "description": "Pour brown grains into metal pot and wash grains under running water.",
          "span_indices": [
            7,
            8,
            9,
            10
          ]
        },
        {
          "episode_id": 3,
          "start_time": 80.0,
          "end_time": 121.0,
          "description": "Place pot on stove burner, adjust gas hose, attach pressure cooker lid.",
          "span_indices": [
            11,
            12,
            13,
            14,
            15,
            16,
            17
          ]
        }
      ]
    },
    {
      "sub_goal_id": 2,
      "start_time": 121.0,
      "end_time": 337.0,
      "description": "Peel and dice bottle gourd, chop green vegetables, and transfer to light blue plate.",
      "episodes": [
        {
          "episode_id": 4,
          "start_time": 121.0,
          "end_time": 137.0,
          "description": "Relocate purple container, pick up bottle gourd, place metal plate into lower cabinet.",
          "span_indices": [
            18,
            19,
            20
          ]
        },
        {
          "episode_id": 5,
          "start_time": 137.0,
          "end_time": 300.0,
          "description": "Peel bottle gourd with peeler, cut ends, rinse, dice into small pieces on cutting board.",
          "span_indices": [
            21,
            22,
            23,
            24,
            25,
            26,
            27,
            28
          ]
        },
        {
          "episode_id": 6,
          "start_time": 300.0,
          "end_time": 337.0,
          "description": "Chop green vegetables on cutting board and transfer to light blue plate.",
          "span_indices": [
            29,
            30,
            31
          ]
        }
      ]
    },
    {
      "sub_goal_id": 3,
      "start_time": 337.0,
      "end_time": 709.1,
      "description": "Chop red and white onions, transfer white onion to blender jar and other ingredients to metal bowl, then dice tomatoes.",
      "episodes": [
        {
          "episode_id": 7,
          "start_time": 337.0,
          "end_time": 435.0,
          "description": "Peel, wash, chop red onion on cutting board and transfer to light blue plate.",
          "span_indices": [
            32,
            33,
            34,
            35,
            36
          ]
        },
        {
          "episode_id": 8,
          "start_time": 435.0,
          "end_time": 588.0,
          "description": "Wash, slice, dice white onion on cutting board with white-handled knife.",
          "span_indices": [
            37,
            38,
            39,
            40,
            41
          ]
        },
        {
          "episode_id": 9,
          "start_time": 588.0,
          "end_time": 607.9,
          "description": "Retrieve metal blender jar, transfer white onion into jar and other ingredients to metal bowl.",
          "span_indices": [
            42,
            43,
            44
          ]
        },
        {
          "episode_id": 10,
          "start_time": 607.9,
          "end_time": 709.1,
          "description": "Adjust green stalks, wash and dice tomatoes on cutting board, answer mobile phone call.",
          "span_indices": [
            45,
            46,
            47,
            48,
            49,
            50,
            51,
            52,
            53,
            54,
            55,
            56,
            57,
            58,
            59,
            60
          ]
        }
      ]
    }
  ]
}