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: Medicine
[{'content': 'Hypotonia, tremor and ataxia are seen in lesion or - \nSelect and explain. \nA. Basal ganglia, B. Medullary pyramid, C. Cerebellum, D. Pons', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]