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: ENT
[{'content': 'Nerve supply for external ear are all except - \nSelect and explain. \nA. Greater occipital nerve, B. Greater auricular nerve, C. Auriculotemporal nerve, D. Lesser occipital nerve', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]