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 artery of the ductus deferens arises from which of the following structures - \nSelect and explain. \nA. Aorta, B. Inferior epigastric, C. Inferior vesical, D. Pudendal', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Superior vesical artery gives a branch to ductus deferens. Occasionally it is the inferior vesical artery which gives out a branch to ductus deferens.', 'role': 'assistant'}]