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': 'Pauci immune glomerulonephritis is seen in ? \nSelect and explain. \nA. After transplant in Alpos, B. Microscopic polyangitis, C. Henoch-schonlein nephritis, D. Lupus', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Microscopic polyangitis", 'role': 'assistant'}]