text: {"answer": "car", "query": "What is coming down the street?", "question_id": 445309004, "contrast_sets": [{"mutex_answer": "van", "mutex_caption": "A woman riding a bike next to a red compact van.", "mutex_detection": "van"}, {"mutex_answer": "truck", "mutex_caption": "A woman riding a bike next to a red compact truck.", "mutex_detection": "truck"}], "caption": "A woman riding a bike next to a red compact car.", "image_id": 445309, "detection": "car", "boxes": [[524.96, 132.46, 16.69, 27.76], [203.49, 197.19, 316.41, 118.66]], "id": 255, "file_name": "COCO_val2014_000000445309.jpg", "coco_url": "http://images.cocodataset.org/val2014/COCO_val2014_000000445309.jpg", "flickr_url": "http://farm4.staticflickr.com/3185/2399968697_cbe7b95b41_z.jpg", "license": 6, "height": 480, "width": 640}