This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Large intestine, Subject name: Surgery
[{'content': 'Commonest site for ischemic colitis is: \nSelect and explain. \nA. Hepatic flexure, B. Splenic flexure, C. Descending colon, D. Ascending colon', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Most comman site for Ischemic Colitis is SPLENIC FLEXURE.', 'role': 'assistant'}]