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': "With Couinad's nomenclature which one of the following segments of liver has an independent vascularisation - \nSelect and explain. \nA. Segment I, B. Segment II, C. Segment IV, D. Segment VIII", 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]