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: Radiology
[{'content': "According couinaud's classification of functional segments of liver, which of the following is segment IV of liver? \nSelect and explain. \nA. Left lobe, B. Right lobe, C. Caudate lobe, D. Quadrate lobe", 'role': 'user'}, {'content': 'Answer: D \nExplanation: Segment I\xa0\xa0\xa0\xa0\xa0→\xa0 Caudate lobe\nSegment IV\xa0\xa0\xa0→\xa0Quadrate lobe', 'role': 'assistant'}]