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': 'PLET medium is used in ? \nSelect and explain. \nA. Plague, B. Anthrax, C. Typhoid, D. Cholera', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is `b' i.e., Anthrax Selective media for B. antracis is PLET medium, consisting of polymyxin, lysozyme, ethylene diamine tetraacetic acid (EDTA) and thallous acetate added to hea infusion agar.", 'role': 'assistant'}]