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 El T or vibrio: \nSelect and explain. \nA. More SAR, B. VP reaction (+)ve, C. Low carrier rate, D. More severe', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is. 'b' i. e., VP reaction (+)ve", 'role': 'assistant'}]