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: Psychiatry
[{'content': 'Apraxia is a disorder of: \nSelect and explain. \nA. Cerebellum, B. Sensory system, C. Motor system, D. Initiating and planning movement', 'role': 'user'}, {'content': 'Answer: D \nExplanation: D. i.e. Initiating & planning movements', 'role': 'assistant'}]