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: Anatomy
[{'content': 'Blood supply of liver- \nSelect and explain. \nA. 80% hepatic artery, 20% portal vein, B. 20% hepatic artery, 80% portal vein, C. 50% hepatic artery, 50% portal vein, D. 100% hepatic artery', 'role': 'user'}, {'content': 'Answer: B \nExplanation: The liver has dual blood supply :-\n\n\n20% of blood supply is through the hepatic artery.\n80% of blood supply is through the portal vein.', 'role': 'assistant'}]