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: Radiology
[{'content': 'Most common supratentorial tumor in children \nSelect and explain. \nA. Craniopharyngioma, B. Meningioma, C. Astrocytoma, D. Oligodendroglioma', 'role': 'user'}, {'content': 'Answer: A \nExplanation: M/c supratentorial tumor in children is craniopharyngioma. It is a suprasellar tumor.arising from embryonic rathkes pouch.', 'role': 'assistant'}]