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: Forensic Medicine
[{'content': 'A teenager is having diarrhea, rhinorrhea and sweating, most probable diagnosis is: AIIMS 10 \nSelect and explain. \nA. Cocaine withdrawal, B. Heroin withdrawal, C. Marijuana withdrawal, D. LSD withdrawal', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. Heroin withdrawal', 'role': 'assistant'}]