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: Pharmacology
[{'content': 'Mesna is given with cyclophosphamide to ? \nSelect and explain. \nA. Increase absroption, B. Decrease excretion, C. Amolierate haemorrhagic cystitis, D. Decrease metabolism', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Ameliorate haemorrhagic cystitis", 'role': 'assistant'}]