This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Stomach and aerial supply of abdomen, Subject name: Anatomy
[{'content': 'Which of the following is a direct branch of Inferior mesenteric aery \nSelect and explain. \nA. Superior rectal aery, B. Middle rectal aery, C. Inferior rectal aery, D. Inferior epigastric aery', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Inferior and middle rectal aeries are branches of internal iliac aery which is a branch of common iliac aery whereas superior rectal aery is a direct branch of inferior mesenteric Aery which is a branch of abdominal aoa. There are three major branches that arise from the IMA: Left colic aery, Sigmoid aery and Superior rectal aery.', 'role': 'assistant'}]