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': 'True about vibrio cholerae is - \nSelect and explain. \nA. Disease more common in woman, B. Classical vibrio protect against development of 0-139 Tor is milder than classical, C. El - Tor is milder than classical, D. All', 'role': 'user'}, {'content': 'Answer: C \nExplanation: El - Tor is milder than classical', 'role': 'assistant'}]