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
Surgical lobes of liver are divided on the basis of ? 
Select and explain. 
A. Hepatic aery, B. Hepatic vein, C. Bile ducts, D. All
B: Hepatic vein
Answer: B: Hepatic vein 
Explanation: Answer is 'b' i.e. Hepatic vein