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': "What is the characteristic feature in Wegner's glomerulonephritis? \nSelect and explain. \nA. Granulomas in the vessel wall, B. Focal Necrotizing Glomerulonephritis, C. Nodular Glomerulo Sclerosis, D. Interstitial Granuloma", 'role': 'user'}, {'content': 'Answer: B \nExplanation: . Focal Necrotizing Glomerulonephritis', 'role': 'assistant'}]