text: {"answer": "walnut", "query": "What type of nut is that?", "question_id": 340642001, "contrast_sets": [{"mutex_answer": "peanut butter", "mutex_caption": "a brown cake with white icing and some peanut butter toppings"}, {"mutex_answer": "pecan", "mutex_caption": "a brown cake with white icing and some pecan toppings"}, {"mutex_answer": "banana", "mutex_caption": "a brown cake with white icing and some banana toppings"}, {"mutex_answer": "powdered sugar", "mutex_caption": "a brown cake with white icing and some powdered sugar toppings"}, {"mutex_answer": "sesame", "mutex_caption": "a brown cake with white icing and some sesame toppings"}], "caption": "a brown cake with white icing and some walnut toppings", "image_id": 340642, "id": 439, "file_name": "COCO_val2014_000000340642.jpg", "coco_url": "http://images.cocodataset.org/val2014/COCO_val2014_000000340642.jpg", "flickr_url": "http://farm8.staticflickr.com/7128/7154097320_cbdb9fa187_z.jpg", "license": 3, "height": 486, "width": 640}