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': 'Child pug score is used to assess severity of \nSelect and explain. \nA. CKD, B. Chronic liver disease, C. Encephalopathy, D. Biliary atresia', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]