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: Anatomy
[{'content': 'All of the following are derived from the pharyngeal orches except : \nSelect and explain. \nA. Tensor tympani, B. Palatine tonsils, C. Mylohyoid, D. Tensor veli palatine', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Platine tonsils from 2 endodermal pouch.', 'role': 'assistant'}]