text: {"answer": "red", "query": "What color is the biggest sign?", "question_id": 482233007, "contrast_sets": [{"mutex_answer": "white", "mutex_caption": "A white stop sign under a green street sign."}, {"mutex_answer": "black", "mutex_caption": "A black stop sign under a green street sign."}, {"mutex_answer": "red and green", "mutex_caption": "A red and green stop sign under a green street sign."}, {"mutex_answer": "blue", "mutex_caption": "A blue stop sign under a green street sign."}, {"mutex_answer": "gray", "mutex_caption": "A gray stop sign under a green street sign."}], "caption": "A red stop sign under a green street sign.", "image_id": 482233, "id": 542, "file_name": "COCO_val2014_000000482233.jpg", "coco_url": "http://images.cocodataset.org/val2014/COCO_val2014_000000482233.jpg", "flickr_url": "http://farm3.staticflickr.com/2638/4033586102_dee6d5e034_z.jpg", "license": 1, "height": 375, "width": 500}