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: Skin
[{'content': 'What is not seen in Reiters syndrome? \nSelect and explain. \nA. Subcutaneous nodules, B. Keratoderma blennorrhagicum, C. Circinate balanitis, D. Oral ulcers', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A. i.e. Subcutaneous nodules', 'role': 'assistant'}]