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': 'Inferior epigastric vein drains into? \nSelect and explain. \nA. Femoral vein, B. External iliac vein, C. Internal iliac vein, D. Internal pudendal vein', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., External iliac veinInferior epigastric vein drains into External iliac vein.Superior epigastic vein drains into Internal thoracic vein.", 'role': 'assistant'}]