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': 'Buccinator muscle is pierced by: \nSelect and explain. \nA. Facial nerve, B. Whaons duct, C. Parotid duct, D. Trigeminal nerve', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Parotid duct', 'role': 'assistant'}]