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': "Which of the following is not included in the triad of Reiter's syndrome : \nSelect and explain. \nA. Conjunctivetis, B. Urethritis, C. Ahritis, D. Keratoderma blenorrhagica", 'role': 'user'}, {'content': 'Answer: D \nExplanation: D. i.e. Keratoderma blenorrhagica', 'role': 'assistant'}]