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': 'All of the following are true about Medulloblastoma except \nSelect and explain. \nA. It arises from medulla, B. It is small round blue Cell tumour, C. It is an embryonal tumour, D. Chang staging system is used', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Medulloblastoma occurs in Cerebellum and not in Medulla.', 'role': 'assistant'}]