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': 'The most common cause of meningitis in children aged 5 yrs is- \nSelect and explain. \nA. H influnzae, B. N. meningitides, C. Staphylococcus, D. E.coli', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., N. meningitides", 'role': 'assistant'}]