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': 'By three cerebellar peduncies, the cerebellum is attached to? \nSelect and explain. \nA. Spinal cord, B. Medulla, C. Cerebrum, D. All', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B. i.e. Medulla', 'role': 'assistant'}]