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': 'Actinomycosis is a \nSelect and explain. \nA. Aerobic bacterial disease, B. Anaerobic bacterial disease, C. Aerobic fungal disease, D. Anaerobic fungal disease', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]