text: {"answer": "rock", "query": "What is the brown animal leaning on?", "question_id": 145439001, "contrast_sets": [{"mutex_answer": "seagull", "mutex_caption": "A brown bear leaning against a seagull near a stream."}, {"mutex_answer": "wall", "mutex_caption": "A brown bear leaning against a wall near a stream."}, {"mutex_answer": "mountain", "mutex_caption": "A brown bear leaning against a mountain near a stream."}, {"mutex_answer": "tree", "mutex_caption": "A brown bear leaning against a tree near a stream."}], "caption": "A brown bear leaning against a rock near a stream.", "image_id": 145439, "id": 568, "file_name": "COCO_val2014_000000145439.jpg", "coco_url": "http://images.cocodataset.org/val2014/COCO_val2014_000000145439.jpg", "flickr_url": "http://farm4.staticflickr.com/3178/3976429152_27a952cef1_z.jpg", "license": 1, "height": 427, "width": 640}