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': "The inner waldeyer's group of lymphnodes does not include: \nSelect and explain. \nA. sub maxillary lymph node, B. Tonsils, C. Lingual tonsils, D. Adenoids", 'role': 'user'}, {'content': 'Answer: A \nExplanation: Submandibular nodes do not form pa of waldeyers lymphatic ring.They form pa of outer group of lymphnodes into which efferents from the constituents of the waldeyers lymphatic ring may drain. Ref Current Otolaryngology 2/e,p 340,341.', 'role': 'assistant'}]