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': 'A mandibular dental infection which exists the\nbuccal cortical plate above the muscle attachment will cause abscess of \nSelect and explain. \nA. Buccal space, B. Masseter space, C. Vestibular sulcus, D. Masticatory space', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]