This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'The epiglottis is derived from \nSelect and explain. \nA. 3rd arch, B. 4th arch, C. 5th arch, D. 6th arch', 'role': 'user'}, {'content': 'Answer: B \nExplanation: The caudal pa of the hypobranchial eminence forms the epiglottis . HUMAN EMBRYOLOGY-INDERBIR SINGH TENTH EDITION-PAGE NO:213', 'role': 'assistant'}]