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: Physiology
[{'content': 'Which one of the following clearly states the role of cerebellum in motor performance \nSelect and explain. \nA. Planning and programming of movement, B. Convert abstract thought into voluntary action, C. Initiation of skilled voluntary action, D. Smoothens and coordinates ongoing movements', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Initiation of skilled voluntary action is from motor cortex.\nConvert abstract thought into voluntary action is same as planning and programming. Planning and programming, though a function of cerebellum, requires basal ganglia to be involved.\nThe clear and best known function of cerebellum is smoothening and co-ordination of ongoing movements.', 'role': 'assistant'}]