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': 'Which of the following joints findings is most suggestive of an inflammatory, rather than an osteroarthritic cause of joints pain ? \nSelect and explain. \nA. Painful range of motion, B. Crepitus, C. Bony articular enlargement, D. Swelling and warmth', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]