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': 'The most common complication of transurethral resection of prostate (TURP) - \nSelect and explain. \nA. Erectile dysfunction, B. Retrograde ejaculation, C. Urinary incontinence, D. Urethral stricture disease', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Retrograde ejaculation", 'role': 'assistant'}]