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': 'Gerlach tonsil is: \nSelect and explain. \nA. Palatine tonsil, B. Lingual tonsil, C. Tubal tonsil, D. Nasopharyngeal tonsil', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Gerlach tonsil is the lymphoid collection at the pharyngeal opening of auditory tube (tubal tonsils).', 'role': 'assistant'}]