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: Surgery
[{'content': 'Which of the following is not a content of buccal space? \nSelect and explain. \nA. Buccal branches of the facial nerve, B. Stenson duct, C. Transverse facial artery and vein, D. Buccal fat pad', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Facial nerve is not present in buccal space.', 'role': 'assistant'}]