[
  {
    "simplified_CRUD":{
      "document_file":["documents.txt"],
      "gt_file":"answer.json"
    }
  },
  {
    "simplified_RGB":{
      "document_file":["documents.txt"],
      "gt_file":"answer.json"
    }
  },
  {
    "RGB_EN":{
      "document_file":["documents.txt"],
      "gt_file":"answer.json"
    }
  }
]