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': "Infection occuring after man's bite is - \nSelect and explain. \nA. Spirochetes, B. Staphylococcus, C. Anaerobic streptococci, D. Candida", 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]