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 posterior fossa tumour in children is- \nSelect and explain. \nA. Medulloblastoma, B. Glioblastoma multifonnae, C. Astroytoma, D. Meningioma', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Astrocytoma", 'role': 'assistant'}]