This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bronchopulmonary Segments, Embryonic veins, Subject name: Anatomy
[{'content': 'The renal veins are derived from which of the following? \nSelect and explain. \nA. Vitelline veins, B. Umbilical veins, C. Anterior cardinal veins, D. Subcardinal veins', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Subcardinal veins forms :- poion of IVC Renal veins Gonadal veins', 'role': 'assistant'}]