This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Culture media and method, Subject name: Microbiology
[{'content': 'Thayer martin agar medium is for: \nSelect and explain. \nA. N. Meningitis, B. Pseudomonas, C. Clostridium, D. Trypanoma pallidum', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. (a) N. Meningitis \\Ref: Microbiology by Ananthanarayan and Paniker 8th ed. / 225., 227* Thayer martin medium is selective medium for N. Meningitis.', 'role': 'assistant'}]