This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Abdomen and pelvis, Subject name: Anatomy
[{'content': 'The aery to the ductus dererens is a branch of \nSelect and explain. \nA. Inferior epigastric aery, B. Superior epigastric aery, C. Superior vesical aery, D. Cremasteric aery', 'role': 'user'}, {'content': 'Answer: C \nExplanation: The vas deferens is supplied by an accompanying aery (aery of vas deferens). This aery normally arises from the superior (sometimes inferior) vesical aery, a branch of the internal iliac aery. Ref - researchgate.net', 'role': 'assistant'}]