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 structures seen in the cavernous sinus? \nSelect and explain. \nA. Maxillary division of V nerve, B. Mandibular division of V nerve, C. Internal carotid aery, D. Trochlear nerve', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. c. Internal carotid aery', 'role': 'assistant'}]