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': 'The withdrawal from all of the following may produce suicidal tendencies except - \nSelect and explain. \nA. Cocaine, B. Amphetamine, C. Alcohol, D. Cannabis', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Cannabis does not produce clinically significant withdrawal symptoms.', 'role': 'assistant'}]