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': 'Lymph from the teeth drains into all of the following nodes EXCEPT \nSelect and explain. \nA. Sub mandibular nodes, B. Deep cervical nodes, C. Retro pharyngeal nodes, D. Sub mental nodes', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]