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: Surgery
[{'content': 'Management of extradural hemorrhage is ? \nSelect and explain. \nA. Antibiotics, B. Immediate evacuvation, C. Evacuvation after 24 hrs, D. Observation', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Immediate evacuvation", 'role': 'assistant'}]