This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Central Nervous System, Subject name: Pathology
[{'content': 'Cystic supratentorial tumor is? \nSelect and explain. \nA. Craniopharyngioma, B. Ependymoma, C. Medulloblastoma, D. None of the above', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e. Craniopharyngioma * Craniopharyngioma is supratentorial slow growing cystic tumor.Other options* Ependymoma can both supra and infratentorial.* Medulloblastoma is an infratentorial tumor.", 'role': 'assistant'}]