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': '"Bacillary Angiomatosis". Causative organism is \nSelect and explain. \nA. Brucella, B. Baonella, C. Listeria, D. Borellia', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Baonella', 'role': 'assistant'}]