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: Orthopaedics
[{'content': "Non-Inflammatory arthritis is \nSelect and explain. \nA. Rheumatoid arthritis, B. Reiter's syndrome, C. Gonococcal arthritis, D. Osteo-arthritis", 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]