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': "When rectal washouts are given to Hirshsprung's disease, the following fluid is used - \nSelect and explain. \nA. 5% dextrose, B. Normal saline, C. Soap solution, D. Tap water", 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Normal saline", 'role': 'assistant'}]