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': 'The appendicular artery is a branch of - \nSelect and explain. \nA. Iliocolic, B. Rt colic, C. Inferior mesenteric, D. Marginal artery', 'role': 'user'}, {'content': 'Answer: A \nExplanation: The appendicular artery is a branch of the iliocolic artery, which in turn is a branch of the superior mesenteric artery.', 'role': 'assistant'}]