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': 'Boundaries of the pterygomandibular space includes all the following EXCEPT \nSelect and explain. \nA. Lateral pterygoid muscle., B. Parotid gland., C. Masseter muscle, D. Buccinator muscle', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]