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: Medicine
[{'content': 'Rifle Classification is for : \nSelect and explain. \nA. Acute kidney injury, B. Chronic kidney disease, C. Diabetic Nephropathy, D. Amyloidsis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: RIFLE - AKI.\nKDIGO\xa0Classification - CKD.', 'role': 'assistant'}]