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': 'The best site to obtain a swab in asymptomatic gonorrhea is - \nSelect and explain. \nA. Endocervix, B. Urethra, C. Lateral vaginal wall, D. Posterior fornix', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]