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: Pediatrics
[{'content': "Most common vasculitis in children \nSelect and explain. \nA. Henoch Schonlein purpura, B. Kawasaki disease, C. Wegener's granulomatosis, D. Polyarteritis nodosa", 'role': 'user'}, {'content': 'Answer: B \nExplanation: UPDATE- Most common vasculitis in children Kawasaki Disease.', 'role': 'assistant'}]