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: Dental
[{'content': 'Name the muscle group which opposes the buccinator mechanism: \nSelect and explain. \nA. Medical pterygoid, B. Lateral pterygoid, C. Masseter, D. Tongue muscles', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]