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': 'Which of the following is a Rave drug? \nSelect and explain. \nA. Cocaine, B. Methamphetamine, C. Heroin, D. Cannabis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Rave drugs are used for recreational purpose in parties.\nMethamphetamine, LSD and Ketamine are the important Rave drugs.', 'role': 'assistant'}]