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': 'Drug treatment of schizophrenic are: \nSelect and explain. \nA. Trifluperazine, B. Clozapine, C. Haloperidol, D. All', 'role': 'user'}, {'content': 'Answer: D \nExplanation: A i.e. Trifluperazine; B i.e. Clozapine; C i.e. Haloperidol', 'role': 'assistant'}]