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': 'Seitz filter is a ? \nSelect and explain. \nA. Candle filter, B. Asbestos filter, C. Membrane filter, D. Sintered glass filters', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Asbestos filter", 'role': 'assistant'}]