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': 'Following is true about medullobastoma: \nSelect and explain. \nA. It is seen mainly in over 50 age group, B. It is radiosensitive tumour, C. Only treatment is surgery, D. Seen in anterior cranial fossa', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. (b) It is radiosensitive tumour(Ref: R 9th/pg 1312)Medulloblastoma is exquisitely radiosensitive Q; Predominantly seen in children & exclusively in cerebellum Q', 'role': 'assistant'}]