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': 'Blood supply of medulla comes from all, EXCEPT \nSelect and explain. \nA. Superior cerebellar aery, B. Veebral aery, C. Anterior spinal aery, D. Posterior inferior cerebellar aery', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A. i.e. Superior cerebellar aery', 'role': 'assistant'}]