This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Urology, Subject name: Surgery
[{'content': 'Which of the following brain tumours is highly vascular in nature ? \nSelect and explain. \nA. Glioblastoma, B. Meningiomas, C. CP angle epidermoid, D. Pituitory adenomas', 'role': 'user'}, {'content': 'Answer: A \nExplanation: .glioblastoma multiforma. It is very aggressive malignant tumour.and also highly vascular in nature. ref:SRB&;s manual of surgery,ed 3,pg no 1050', 'role': 'assistant'}]