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 in Waldayer's ring is \nSelect and explain. \nA. Tubal tonsil, B. Palatine tonsil, C. Pharyngeal tonsil, D. Lingual tonsil", 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Tubal tonsil", 'role': 'assistant'}]