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: Medicine
[{'content': "Which of the following is Anti-proteinase-3 positive \nSelect and explain. \nA. Churg Strauss syndrome, B. Microscopic polyangiitis, C. Wegener's granulomatosis, D. Polyarteritis nodosa", 'role': 'user'}, {'content': "Answer: C \nExplanation: Anti-Proteinase-3 (C-ANCA) Positive is wegener's granulomatosis.", 'role': 'assistant'}]