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': 'Sensory supply of middle ear is provided by \nSelect and explain. \nA. Facial, B. Glossopharyngeal, C. Vagus, D. Trigeminal', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Tympanic plexus provide the nerve supply It is formed by Tympanic branch of glossopharyngeal nerve Sympathetic fibres from plexus around the internal carotid aery Reference-Dhingra 6/e, p 8.', 'role': 'assistant'}]