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: Anatomy
[{'content': 'Which of these is a branch of inferior mesenteric artery - \nSelect and explain. \nA. Left colic artery, B. Right colic artery, C. ileocolic artery, D. Middle colic artery', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]