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': 'The pharyngeal diveiculum is a protustion of mucosa between- \nSelect and explain. \nA. The two pas of inferior constrictor muslce of the pharynx, B. The two pas of middle constrictor muslce of the pharynx, C. The two pas of the superior constrictor muscle of the pharynx, D. Cricopharyngeal and posterior pa o suprahyoid membrane', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., The two pas of inferior constrictor muscle of the pharynx", 'role': 'assistant'}]