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: Medicine
[{'content': 'Erosive arthritis is seen in all, except - \nSelect and explain. \nA. SLE, B. Gout, C. Osteoarthritis, D. Old age', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]