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': 'Interpeducular fossa contains all except : \nSelect and explain. \nA. Mammiallary bodies, B. Posterior perforated substance, C. Occulomotor nerve, D. Opthalmic nerve', 'role': 'user'}, {'content': 'Answer: D \nExplanation: D i.e. Ophthalmic nerve', 'role': 'assistant'}]