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 femoral ring is bounded by the following structures except? \nSelect and explain. \nA. Femoral vein, B. Inguinal ligament, C. Femoral aery, D. Lacunar ligament', 'role': 'user'}, {'content': 'Answer: C \nExplanation: The femoral ring is not bounded by Femoral aery.', 'role': 'assistant'}]