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': 'Tonsils develop embryologically from \nSelect and explain. \nA. First pharyngeal pouch, B. Second pharyngeal, C. Third pharyngeal pouch, D. Fouh pharyngeal pouch', 'role': 'user'}, {'content': 'Answer: B \nExplanation: HUMAN EMBRYOLOGY-INDERBIR SINGH TENTH EDITION-PAGE NO:135 Second pouch The epithelium of the ventral pa of this pouch contribute to the formation of the tonsil The dorsal pa takes pa in the formation of the tubotympanic recess', 'role': 'assistant'}]