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: Anaesthesia
[{'content': 'A 38 year old man is posted for extraction of last molar tooth under general anaesthesia as a day care case. He wishes to resume his work after 6 hours. Which one of the following induction agents is preferred: \nSelect and explain. \nA. Thiopentone sodium, B. Ketamine, C. Diazepam, D. Propofol', 'role': 'user'}, {'content': 'Answer: D \nExplanation: D i.e. Propofol', 'role': 'assistant'}]