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': 'Uterine and vaginal veins drains into which of the following veins ? \nSelect and explain. \nA. external iliac veins, B. internal iliac veins, C. common iliac veins, D. inferior vena cavae', 'role': 'user'}, {'content': "Answer: B \nExplanation: Venous Drainage - The veins form a plexus along the lateral border of the uterus. The plexus drains through the uterine, ovarian and vaginal veins into the internal iliac veins. Ref : B D Chaurasia's Human Anatomy , seventh edition,volume 2, pg.no., 422.", 'role': 'assistant'}]