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': 'Crossed occulomotor palsy is seen in occlusion of \nSelect and explain. \nA. Post. Cerebral a, B. Middle cerebral a, C. Ant. Cerebral a, D. Superior cerebellar a', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A. i.e. Posterior cerebral aery', 'role': 'assistant'}]