text: {"answer": "red", "query": "What color  is the train?", "question_id": 407168015, "contrast_sets": [{"mutex_answer": "white", "mutex_caption": "A white train with graffiti pulled into the station"}, {"mutex_answer": "red and yellow", "mutex_caption": "A red and yellow train with graffiti pulled into the station"}, {"mutex_answer": "red and gray", "mutex_caption": "A red and gray train with graffiti pulled into the station"}], "caption": "A red train with graffiti pulled into the station", "image_id": 407168, "id": 728, "file_name": "COCO_val2014_000000407168.jpg", "coco_url": "http://images.cocodataset.org/val2014/COCO_val2014_000000407168.jpg", "flickr_url": "http://farm4.staticflickr.com/3761/9458558008_19f164db9b_z.jpg", "license": 3, "height": 427, "width": 640}