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': 'Spore forming anaerobic gram positive bacilli ? \nSelect and explain. \nA. Bacillus Anthracis, B. Clostridia, C. Corynebacterium, D. Peptostreptococcus', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Clostridia There are two medically impoant spore forming bacteria. Both of them are 'gram positive' `bacilli' :-Aerobic : BacillusAnaerobic (obligate anaerobes) : Clostridia.", 'role': 'assistant'}]