{
  "session_id": "session_data_20260404_093922",
  "total_duration_s": 444.5,
  "n_input_spans": 50,
  "session_goal": "Prepare two small bowls with orange spice, pomegranate seeds, and dark contents; wash dishes at sink; heat jar contents in pan on stove; and walk during video call.",
  "sub_goals": [
    {
      "sub_goal_id": 1,
      "start_time": 0.0,
      "end_time": 224.0,
      "description": "Add orange spice, yellow jar contents, pomegranate seeds, and dark contents to two small bowls and place on dining table.",
      "episodes": [
        {
          "episode_id": 1,
          "start_time": 0.0,
          "end_time": 39.0,
          "description": "Observe kitchen workspace and add orange spice from spice tray to two small bowls.",
          "span_indices": [
            0,
            1,
            2,
            3,
            4,
            5
          ]
        },
        {
          "episode_id": 2,
          "start_time": 39.0,
          "end_time": 53.0,
          "description": "Add contents of yellow jar to two small bowls and return jar to counter shelf.",
          "span_indices": [
            6,
            7,
            8
          ]
        },
        {
          "episode_id": 3,
          "start_time": 53.0,
          "end_time": 152.0,
          "description": "Retrieve red-lidded container from refrigerator, inspect green-lidded jar, rearrange, and add pomegranate seeds to bowls.",
          "span_indices": [
            9,
            10,
            11,
            12,
            13,
            14,
            15,
            16,
            17
          ]
        },
        {
          "episode_id": 4,
          "start_time": 152.0,
          "end_time": 217.0,
          "description": "Retrieve white-lidded jar from lower cabinet, rinse jar and green spoon, and add dark contents to bowls.",
          "span_indices": [
            18,
            19,
            20,
            21,
            22,
            23,
            24,
            25
          ]
        },
        {
          "episode_id": 5,
          "start_time": 217.0,
          "end_time": 224.0,
          "description": "Carry two prepared bowls to dining table and place on tabletop.",
          "span_indices": [
            26
          ]
        }
      ]
    },
    {
      "sub_goal_id": 2,
      "start_time": 224.0,
      "end_time": 296.0,
      "description": "Retrieve brown jar from refrigerator and wash metal bowl, patterned tray, white cups, and utensil holder at sink.",
      "episodes": [
        {
          "episode_id": 6,
          "start_time": 224.0,
          "end_time": 239.0,
          "description": "Walk to refrigerator and retrieve brown jar with purple lid.",
          "span_indices": [
            27,
            28
          ]
        },
        {
          "episode_id": 7,
          "start_time": 239.0,
          "end_time": 296.0,
          "description": "Walk to sink, wash metal bowl, patterned tray, white cups, and utensil holder, then close faucet.",
          "span_indices": [
            29,
            30,
            31,
            32,
            33,
            34
          ]
        }
      ]
    },
    {
      "sub_goal_id": 3,
      "start_time": 296.0,
      "end_time": 369.0,
      "description": "Retrieve white cloth and white pan, fill pan with water, add red and dark-lidded jar contents, and heat on stove.",
      "episodes": [
        {
          "episode_id": 8,
          "start_time": 296.0,
          "end_time": 304.0,
          "description": "Open lower cabinet, retrieve white cloth, and place on countertop.",
          "span_indices": [
            35,
            36
          ]
        },
        {
          "episode_id": 9,
          "start_time": 304.0,
          "end_time": 335.0,
          "description": "Open under-sink cabinet, retrieve white pan, and fill with water at sink.",
          "span_indices": [
            37,
            38,
            39
          ]
        },
        {
          "episode_id": 10,
          "start_time": 335.0,
          "end_time": 369.0,
          "description": "Pick up pot lid, add red and dark-lidded jar contents to pan, carry to stove, and turn on burner.",
          "span_indices": [
            40,
            41,
            42,
            43,
            44,
            45
          ]
        }
      ]
    },
    {
      "sub_goal_id": 4,
      "start_time": 369.0,
      "end_time": 444.5,
      "description": "Hold smartphone on video call, retrieve container from cabinet, and walk through kitchen and dining area.",
      "episodes": [
        {
          "episode_id": 11,
          "start_time": 369.0,
          "end_time": 411.0,
          "description": "Hold smartphone and walk around while on video call.",
          "span_indices": [
            46
          ]
        },
        {
          "episode_id": 12,
          "start_time": 411.0,
          "end_time": 417.0,
          "description": "Open lower cabinet with foot, retrieve container, and hand to other person.",
          "span_indices": [
            47
          ]
        },
        {
          "episode_id": 13,
          "start_time": 417.0,
          "end_time": 436.0,
          "description": "Continue holding smartphone and walking around on video call.",
          "span_indices": [
            48
          ]
        },
        {
          "episode_id": 14,
          "start_time": 436.0,
          "end_time": 444.5,
          "description": "Walk through kitchen and dining area.",
          "span_indices": [
            49
          ]
        }
      ]
    }
  ]
}