text: {"answer": "blue", "query": "What color is the train?", "question_id": 434279001, "contrast_sets": [{"mutex_answer": "white", "mutex_caption": "The large white train is covered with rust."}, {"mutex_answer": "gray", "mutex_caption": "The large gray train is covered with rust."}, {"mutex_answer": "black", "mutex_caption": "The large black train is covered with rust."}, {"mutex_answer": "silver", "mutex_caption": "The large silver train is covered with rust."}], "caption": "The large blue train is covered with rust.", "image_id": 434279, "id": 242, "file_name": "COCO_val2014_000000434279.jpg", "coco_url": "http://images.cocodataset.org/val2014/COCO_val2014_000000434279.jpg", "flickr_url": "http://farm3.staticflickr.com/2716/4173779183_d3afa9ec4e_z.jpg", "license": 1, "height": 426, "width": 640}