This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nervous system, Subject name: Pathology
[{'content': 'Which of the following brain tumours do not spread CSF \nSelect and explain. \nA. Germ cell tumours, B. Medulloblastoma, C. CNS lymphoma, D. Craniopharyngioma', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Brain tumors spreading CSF are * Ependymoma * Medulloblastoma * Choroid plexus carcinoma * Astrocytoma * Germinoma * Pineoblastoma * CNS Lymphoma', 'role': 'assistant'}]