text: {"answer": "white", "query": "What color is the rug?", "question_id": 528251001, "contrast_sets": [{"mutex_answer": "beige", "mutex_caption": "A black and brown dog sits on a beige rug with a toy donut in front of him. "}, {"mutex_answer": "tan", "mutex_caption": "A black and brown dog sits on a tan rug with a toy donut in front of him. "}, {"mutex_answer": "gray", "mutex_caption": "A black and brown dog sits on a gray rug with a toy donut in front of him. "}, {"mutex_answer": "brown", "mutex_caption": "A black and brown dog sits on a brown rug with a toy donut in front of him. "}, {"mutex_answer": "gray and white", "mutex_caption": "A black and brown dog sits on a gray and white rug with a toy donut in front of him. "}], "caption": "A black and brown dog sits on a white rug with a toy donut in front of him. ", "image_id": 528251, "id": 825, "file_name": "COCO_val2014_000000528251.jpg", "coco_url": "http://images.cocodataset.org/val2014/COCO_val2014_000000528251.jpg", "flickr_url": "http://farm1.staticflickr.com/70/219412094_522b1441f7_z.jpg", "license": 5, "height": 480, "width": 640}