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: Surgery
[{'content': 'Duret hemorrhage involves: \nSelect and explain. \nA. Superior cerebellar artery, B. Basilar artery, C. Anterior spinal artery, D. Thalamogeniculate artery', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Duret hemorrhage is caused by downward herniation of brain stem which in turn lead to stretching and rupture of branches of basilar artery.', 'role': 'assistant'}]