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: Medicine
[{'content': 'Most common intracranial tumour is: \nSelect and explain. \nA. Meningioma, B. Glioma, C. Cranipharyngioma, D. Metastasis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Answer is B (Gliomas): Gliomas are the most common primary intracranial neoplasms of the central system.', 'role': 'assistant'}]