This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
[{'content': "All except one are deformities associated with Leprosy \nSelect and explain. \nA. Claw hand, B. Lag ophthalmos, C. Clutton's joint, D. Foot drop", 'role': 'user'}, {'content': "Answer: C \nExplanation: Clutton's joints are associated with syphilis.", 'role': 'assistant'}]