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': 'Gag reflex is lost due to paralysis of: \nSelect and explain. \nA. V nerve, B. VII nerve, C. IX nerve, D. XII nerve', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]