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': "Treatment of rectal prolapse in childhood is ? \nSelect and explain. \nA. Lahaut's operation, B. Incision of prolapsed mucosa, C. Thiersch wiring, D. Ripstein operation", 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Thiersch's operation", 'role': 'assistant'}]