{
  "session_id": "session_data_20260403_175105",
  "total_duration_s": 345.9,
  "n_input_spans": 33,
  "session_goal": "Fold blue shirt, black pants, and white pajama on bed, then pick up and fold dark gray, pink, and purple clothing from floor onto pile.",
  "sub_goals": [
    {
      "sub_goal_id": 1,
      "start_time": 0.0,
      "end_time": 300.0,
      "description": "Fold shirts, pants, and pajama and place on bed.",
      "episodes": [
        {
          "episode_id": 1,
          "start_time": 0.0,
          "end_time": 152.0,
          "description": "Fold blue, black, white, light blue, brown, and gray clothing and place on bed.",
          "span_indices": [
            0,
            1,
            2,
            3,
            4,
            5,
            6,
            7,
            8,
            9
          ]
        },
        {
          "episode_id": 2,
          "start_time": 152.0,
          "end_time": 300.0,
          "description": "Fold pink, brown, blue, gray, green, and purple clothing and place on bed.",
          "span_indices": [
            10,
            11,
            12,
            13,
            14,
            15,
            16,
            17,
            18,
            19
          ]
        }
      ]
    },
    {
      "sub_goal_id": 2,
      "start_time": 300.0,
      "end_time": 345.9,
      "description": "Pick up and fold dark gray, pink, purple, and gray clothing from floor and place on pile.",
      "episodes": [
        {
          "episode_id": 3,
          "start_time": 300.0,
          "end_time": 301.2,
          "description": "Fold dark gray clothing and place on pile.",
          "span_indices": [
            20
          ]
        },
        {
          "episode_id": 4,
          "start_time": 301.2,
          "end_time": 308.5,
          "description": "Pick up, fold, and place solid pink clothing on pile.",
          "span_indices": [
            21,
            22,
            23
          ]
        },
        {
          "episode_id": 5,
          "start_time": 308.5,
          "end_time": 314.0,
          "description": "Pick up, fold, and place light purple clothing on pile.",
          "span_indices": [
            24,
            25,
            26
          ]
        },
        {
          "episode_id": 6,
          "start_time": 314.0,
          "end_time": 333.8,
          "description": "Pick up, fold, and place pink and white striped clothing on pile.",
          "span_indices": [
            27,
            28,
            29
          ]
        },
        {
          "episode_id": 7,
          "start_time": 333.8,
          "end_time": 345.9,
          "description": "Pick up, fold, and place light gray clothing on pile.",
          "span_indices": [
            30,
            31,
            32
          ]
        }
      ]
    }
  ]
}