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: Medicine
[{'content': 'The following is an example of atypical antipsychotic \nSelect and explain. \nA. Olanzapine, B. Haloperidol, C. Amitriptyline, D. Zuclopenthixol', 'role': 'user'}, {'content': 'Answer: A \nExplanation: K.D Tripathy essentials of medical pharmacology 7th edition . *atypical antipsychotics are olanzapine,clozapine,risperidone,quetiapine,aripiprazole *haloperidol belongs to butyrophenones antipsychotic *amitriptyline is TCAs *zuclopenthixol belongs to thioxanthene antipsychotics.', 'role': 'assistant'}]