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: Dental
[{'content': "All are seen in reiter's syndrome except ? \nSelect and explain. \nA. Subcutaneous nodules, B. Oral ulcers, C. Keratoderma blenorrhagicum, D. Circinate balanitis", 'role': 'user'}, {'content': "Answer: A \nExplanation: Reiter's syndrome has reactive arthritis, conjuctivitis, urethritis, circinate balanitis, keratoderma blenorrhagicum, oral ulcers.", 'role': 'assistant'}]