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': 'Superior parathyroid is derived from : \nSelect and explain. \nA. 1st pharyngeal pouch, B. 2nd pharyngeal pouch, C. 3rd pharyngeal pouch, D. 4th pharyngeal pouch', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Superior pharyngeal pouch is derived from 4th phalyngeal pouch.\nInferior\xa0pharyngeal pouch is derived from 3rd phalyngeal pouch.', 'role': 'assistant'}]