{
  "cell_id": "q140_random_k2",
  "doc_id": "formwork-150318073913-conversion-gate01_95.pdf",
  "question": "Is 20mm Sheeting or 25mm Sheeting an appropriate size for timber formwork?",
  "answer": "25mm Sheeting",
  "answer_format": "Str",
  "condition": "random",
  "k": 2,
  "source_position": "first",
  "modality": "image",
  "dpi": 150,
  "image_docs": [
    {
      "role": "source",
      "doc": "formwork-150318073913-conversion-gate01_95",
      "pages": 60,
      "image_dir": "images/formwork-150318073913-conversion-gate01_95"
    },
    {
      "role": "random_1",
      "doc": "web_7795b10bf9b6a434",
      "pages": 15,
      "image_dir": "images/web_7795b10bf9b6a434"
    },
    {
      "role": "random_2",
      "doc": "389c76c12bae49339e801c93d7587859e248a538",
      "pages": 40,
      "image_dir": "images/389c76c12bae49339e801c93d7587859e248a538"
    }
  ],
  "n_images": 115
}