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': 'The pharyngeal muscle which forms a part of buccinator mechanism is: \nSelect and explain. \nA. Inferior constrictor, B. Middle constrictor, C. Superior constrictor, D. Palatopharyngeus', 'role': 'user'}, {'content': 'Answer: C \nExplanation: The diagram depicts the muscle involvement in buccinator mechanism:', 'role': 'assistant'}]