This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Substance abuse, 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 produces a very mild physical dependence, with a relatively mild withdrawal syndrome, which is characterised by fine tremors, irritability, restlessness, nervousness, insomnia, decreased appetite and craving. This syn drome begins within few hours of stopping cannabis use and lasts for 4 to 5 days. However, some health professionals feel that there is no true physical dependence with cannabis. Reference: A sho textbook of psychiatry by Niraj Ahuja, page no. 45.', 'role': 'assistant'}]