text: {"answer": "black", "query": "What color is the bench?", "question_id": 449976001, "contrast_sets": [{"mutex_answer": "white", "mutex_caption": "a white bench and a green and blue bottle"}, {"mutex_answer": "brown", "mutex_caption": "a brown bench and a green and blue bottle"}, {"mutex_answer": "gray", "mutex_caption": "a gray bench and a green and blue bottle"}, {"mutex_answer": "black and brown", "mutex_caption": "a black and brown bench and a green and blue bottle"}, {"mutex_answer": "silver", "mutex_caption": "a silver bench and a green and blue bottle"}], "caption": "a black bench and a green and blue bottle", "image_id": 449976, "id": 1298, "file_name": "COCO_val2014_000000449976.jpg", "coco_url": "http://images.cocodataset.org/val2014/COCO_val2014_000000449976.jpg", "flickr_url": "http://farm1.staticflickr.com/80/255921994_8c92c1d6eb_z.jpg", "license": 3, "height": 333, "width": 500}