This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Surgery
[{'content': 'Left medial sector contains segment \nSelect and explain. \nA. III, IV, B. II, III, C. I, II, D. I, IV', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Left medial sector contains segment III and IV Left lateral sector contains only one segment II Ref: Sabiston 20th edition Pgno : 1421-1422', 'role': 'assistant'}]