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 of the following condition(s) are associated with raised ANCA, except - \nSelect and explain. \nA. Wegener's granulomatosis, B. Polyarteritis Nodosa, C. Microscopic Polyangitis, D. Churg-Strauss syndrome", 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]