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': 'Pharyngeal tonsil develop from which pharyngeal pouch? \nSelect and explain. \nA. First, B. Second, C. Third, D. Fouh', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Second pouch The epithelium of the ventral pa of this pouch contributes to the formation of the tonsil. REF:HUMAN EMBRYOLOGY-INDERBIR SINGH TENTH EDITION', 'role': 'assistant'}]