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': 'Which one of the following is a branch of the facial nerve \nSelect and explain. \nA. Deep petrosal nerve, B. Lesser superficial petrosal nerve, C. External petrosal nerve, D. Greater superficial petrosal nerve', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]