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': 'Which of the following is an absolute indication for surgery in cases of benign prostatic hyperplasia ? \nSelect and explain. \nA. Bilateral hydroureteronephrosis, B. Nocturnal frequency, C. Recurrent urinary tract infection, D. Voiding bladder pressures > 50 cm of water', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e. Recurrent urinary tract infection", 'role': 'assistant'}]