text: {"answer": "black", "query": "What color is the vase?", "question_id": 428079001, "contrast_sets": [{"mutex_answer": "brown", "mutex_caption": "A brown vase on display with lights in the background."}, {"mutex_answer": "blue", "mutex_caption": "A blue vase on display with lights in the background."}, {"mutex_answer": "black and brown", "mutex_caption": "A black and brown vase on display with lights in the background."}, {"mutex_answer": "dark", "mutex_caption": "A dark vase on display with lights in the background."}, {"mutex_answer": "green", "mutex_caption": "A green vase on display with lights in the background."}], "caption": "A black vase on display with lights in the background.", "image_id": 428079, "id": 451, "file_name": "COCO_val2014_000000428079.jpg", "coco_url": "http://images.cocodataset.org/val2014/COCO_val2014_000000428079.jpg", "flickr_url": "http://farm1.staticflickr.com/119/284183917_d5baafdc35_z.jpg", "license": 1, "height": 500, "width": 375}