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': 'All of the following structures cross the Right Ureter Anteriorly, Except - \nSelect and explain. \nA. Terminal ileum, B. Vas deferens, C. Genitofemoral nerve, D. Right Colic and ileo colic vessels', 'role': 'user'}, {'content': 'Answer: C \nExplanation: The genitofemoral nerve is a posterior relation to the ureter.\nOther three options are anterior relations.', 'role': 'assistant'}]