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': 'Which of the agent does not belong to category A bioterrorism? \nSelect and explain. \nA. Anthrax, B. Botulism, C. Brucellosis, D. Plague', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Brucellosis - category\xa0 - B bioterrorism', 'role': 'assistant'}]