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': "Reiter's syndrome is due to - \nSelect and explain. \nA. Chlamydia, B. Nisseria, C. Myoplasma, D. Herpes virus", 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Chlamydia . Reiter syndrome is caused by --> Chlamydia trachomatis ureaplasma urelyticum, Salmonella Spp., Shigella spp., Yersinia spp., Campylobactor Spp.", 'role': 'assistant'}]