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 transpo medium for stools samples in cholera is - \nSelect and explain. \nA. hioglycolate, B. Cary Blair medium, C. Dubos medium, D. Selenite 'F' broth", 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Cary Blair medium", 'role': 'assistant'}]