This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Brainstem, cerebellum and ventricles, Subject name: Anatomy
[{'content': 'Cerebellum supplied by \nSelect and explain. \nA. Veebral aery, B. Basillar aery, C. Both, D. None', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Cerebellum supplied by Superior cerebellar aery - basillar aery branch Anterior inferior cerebellar - basillar aery branch Posterior inferior cerebellar aery - veebral aery branch', 'role': 'assistant'}]