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': '"Johnes" Bacillus is: \nSelect and explain. \nA. Mycobacterium tuberculosis, B. Mycobacterium pseudotuberculosis, C. Corynebaccterium, D. H. aegipticus', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Mycobacterium pseudotuberculosis', 'role': 'assistant'}]