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': 'Which of the following supplies structures in head, neck, thorax and abdomen? \nSelect and explain. \nA. Internal carotid artery, B. 12th cranial nerve, C. Vagus nerve, D. Accessory cranial', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]