text: {"answer": "fork", "query": "What utensil is visible?", "question_id": 291686012, "contrast_sets": [{"mutex_answer": "tongs", "mutex_caption": "A smiling man holding tongs and knife", "mutex_detection": "tongs"}, {"mutex_answer": "serving spoon", "mutex_caption": "A smiling man holding a serving spoon and knife", "mutex_detection": "serving spoon"}, {"mutex_answer": "cutting board", "mutex_caption": "A smiling man holding a cutting board and knife", "mutex_detection": "cutting board"}, {"mutex_answer": "chopsticks", "mutex_caption": "A smiling man holding chopsticks and knife", "mutex_detection": "chopsticks"}], "caption": "A smiling man holding a fork and knife", "image_id": 291686, "detection": "fork", "boxes": [[435.93, 222.04, 18.44, 62.4]], "id": 686, "file_name": "COCO_val2014_000000291686.jpg", "coco_url": "http://images.cocodataset.org/val2014/COCO_val2014_000000291686.jpg", "flickr_url": "http://farm4.staticflickr.com/3737/10215237684_3def4dd92b_z.jpg", "license": 1, "height": 480, "width": 640}