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': 'Ahritis mutilans is seen in: \nSelect and explain. \nA. OA, B. Rheumatoid ahritis, C. Reiters syndrome, D. Psoriatic Ahropathy', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Psoriatic Ahropathy', 'role': 'assistant'}]