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: Surgery
[{'content': 'Complimentary operation done at the time of prostatectomey is - \nSelect and explain. \nA. Vasectomy, B. Circumcission, C. Hernia repair, D. None', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'None' Preliminary vasectomy is now no longer performed", 'role': 'assistant'}]