This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Ear, Subject name: ENT
[{'content': 'Nerve supply of the tympanic membrane is by \nSelect and explain. \nA. Auriculotemporal, B. Lesser occipital, C. Greater occipital, D. Parasympathetic ganglion', 'role': 'user'}, {'content': 'Answer: A \nExplanation: The auriculotemporal nerve supplies the anterior half of the lateral surface. Auricular branch of vagus nerve supplies posterior half of lateral surface. Tympanic branch of CN 9 supply medial surface. Reference: Dhingra 6th edition', 'role': 'assistant'}]