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': 'Selective media for N. gonorrhoeae - \nSelect and explain. \nA. Thayer main media, B. Smith noguchi media, C. Proskaur and Bech media, D. Bordet gongue, media', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Thayer main media", 'role': 'assistant'}]