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 that does not cause dependence: UPSC 14 \nSelect and explain. \nA. LSD, B. Cannabis, C. Benzodiazepine, D. Opioids', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. LSD', 'role': 'assistant'}]