This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Osteology of Lower Extremity, Subject name: Anatomy
[{'content': 'Third tubercle of femur provides attachment to? \nSelect and explain. \nA. Gluteus maximus, B. Gluteus medius, C. Gluteus minimis, D. Piriformis', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. (a) Gluteus maximusRef: Gray's anatomy 39th ed. H433", 'role': 'assistant'}]