This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.N.S, Subject name: Pharmacology
[{'content': 'Which drug has least extrapyramidal symptoms? \nSelect and explain. \nA. Aripiprazole, B. Loxapine, C. Fluphenazine, D. Chlorpromazine', 'role': 'user'}, {'content': 'Answer: A \nExplanation: (Ref: KDT 8th ed. pg. 467)* Among given choice, least risk of EPS among atypicals is: ARIPIPRAZOLE.* Typicals always has high EPS.', 'role': 'assistant'}]