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': "Granuloma is pathological feature of all, EXCEPT \nSelect and explain. \nA. Giant cell aeritis, B. Microscopic polyangitis, C. Wegner's granulomatosis, D. Churg strauss disease", 'role': 'user'}, {'content': 'Answer: B \nExplanation: . Microscopic polyangitis', 'role': 'assistant'}]