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: Forensic Medicine
[{'content': "Commonest source of extradural hemorrhage: UP 09 \nSelect and explain. \nA. Middle meningeal aery, B. Basilar aery, C. Charcot's aery, D. Middle cerebral aery", 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. Middle meningeal aery', 'role': 'assistant'}]