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 plating medium for V. cholerae is: \nSelect and explain. \nA. Carry-Blair medium, B. TCBS agar, C. VR medium, D. MacConkey medium', 'role': 'user'}, {'content': "Answer: B \nExplanation: AQns. is. 'b' i. e., TCBS agar", 'role': 'assistant'}]