This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Head and neck, Subject name: Anatomy
[{'content': 'Which of the following is/are branch of facial nerve? \nSelect and explain. \nA. Chorda tympani, B. Lesser petrosal nerve, C. Greater petrosal nerve, D. Zygomatic nerve', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ref:BD Chaurasia's HUMAN ANATOMY, Volume 3, 4th edition. The facial nerve leaves the skull by passing through the stylomastoid foramen and within the facial canal.It divides into (1) Greater petrosal nerve (2) the nerve to the stapedius; and (3) the chorda tympani.", 'role': 'assistant'}]