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': 'Angel dust  is an example for \nSelect and explain. \nA. CNS stimulant, B. Hallucinogen, C. Date rape drug, D. CNS depressant', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Angel dust is a street name for Phencyclidine which is a hallucinogen.\nOther hallucinogens includes: LSD, MDMA, Ketamine.', 'role': 'assistant'}]