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': 'Babes Ernest granules are seen in: \nSelect and explain. \nA. Clostridium botulinium, B. Diptheria, C. Anthrax, D. Clostridium welchi', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Diptheria', 'role': 'assistant'}]