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: Microbiology
[{'content': 'Chlamydia causes all the following diseases except- \nSelect and explain. \nA. Non-gonococcal urethritis, B. Pneumonia, C. Trachoma, D. Parotitis.', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]