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': 'Yawning is a common feature of: AIIMS 06 \nSelect and explain. \nA. Alcohol withdrawal, B. Cocaine withdrawal, C. Cannabis withdrawal, D. Opioid withdrawal', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. Opioid withdrawal', 'role': 'assistant'}]