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: Pathology
[{'content': 'All are the causes of myocarditis except ? \nSelect and explain. \nA. Trichinosis, B. Mycobacterium tuberculosis, C. Corenybacterium diphtheria, D. Systemic lupus erythromatosis', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Mycobacterium tuberculosis", 'role': 'assistant'}]