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: Anatomy
[{'content': 'Dura is supplied by all cranial nerves except \nSelect and explain. \nA. 12, B. 10, C. 5, D. 4', 'role': 'user'}, {'content': 'Answer: D \nExplanation: D i.e. 4', 'role': 'assistant'}]