{
  "name": "MaRVL",
  "release_date": "2021-09-29",
  "subsets": {
    "main": {
      "language": [
        "en"
      ],
      "modalities": [
        "multi_image_interleave"
      ],
      "task_type": "vqa",
      "prompt_template": "<image><image>Statement: {{ question }}\nIs the statement True or False based on the two images? Answer with only \"True\" or \"False\".",
      "mapping_from_source": {
        "media": {
          "from": "images",
          "type": "list",
          "min_items": 2,
          "max_items": 2
        },
        "id": {
          "from": "id"
        },
        "question": {
          "from": "hypothesis"
        },
        "answer": {
          "from": "label",
          "optional": true
        },
        "extra": {
          "hypothesis_en": {
            "from": "hypothesis_en"
          },
          "language": {
            "from": "language"
          },
          "chapter": {
            "from": "chapter"
          },
          "concept": {
            "from": "concept"
          },
          "left_img_id": {
            "from": "left_img_id"
          },
          "right_img_id": {
            "from": "right_img_id"
          }
        },
        "source": {
          "format": "huggingface",
          "url": {
            "id": "https://huggingface.co/datasets/floschne/marvl",
            "sw": "https://huggingface.co/datasets/floschne/marvl",
            "ta": "https://huggingface.co/datasets/floschne/marvl",
            "tr": "https://huggingface.co/datasets/floschne/marvl",
            "zh": "https://huggingface.co/datasets/floschne/marvl"
          }
        }
      },
      "prompt_template_source": {
        "origin": "official",
        "reference": "https://github.com/EvolvingLMMs-Lab/lmms-eval/blob/main/lmms_eval/tasks/marvl/utils.py (marvl_doc_to_text — two images + Statement: + Is the statement True or False...)",
        "notes": "Tier 4: lmms-eval MaRVL canonical evaluation prompt (multilingual True/False reasoning)."
      }
    }
  }
}