text: {"answer": "frisbee", "query": "What is on the person's face?", "question_id": 578807001, "contrast_sets": [{"mutex_answer": "mask", "mutex_caption": "Person in a khaki shirt with a white mask on their face in a park. ", "mutex_detection": "mask"}, {"mutex_answer": "lanyard", "mutex_caption": "Person in a khaki shirt with a white lanyard on their face in a park. ", "mutex_detection": "lanyard"}, {"mutex_answer": "smiley face", "mutex_caption": "Person in a khaki shirt with a white smiley face on their face in a park. ", "mutex_detection": "smiley face"}, {"mutex_answer": "face paint", "mutex_caption": "Person in a khaki shirt with a white face paint on their face in a park. ", "mutex_detection": "face paint"}, {"mutex_answer": "beard", "mutex_caption": "Person in a khaki shirt with a white beard on their face in a park. ", "mutex_detection": "beard"}], "caption": "Person in a khaki shirt with a white frisbee on their face in a park. ", "image_id": 578807, "detection": "frisbee", "boxes": [[171.07, 51.4, 144.1, 142.42]], "id": 135, "file_name": "COCO_val2014_000000578807.jpg", "coco_url": "http://images.cocodataset.org/val2014/COCO_val2014_000000578807.jpg", "flickr_url": "http://farm1.staticflickr.com/21/25822550_f31bab4ce3_z.jpg", "license": 3, "height": 375, "width": 500}