This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Tumors, Subject name: Orthopaedics
[{'content': 'Osteoclastic giant cells are seen in all except \nSelect and explain. \nA. Osteoclastoma, B. Osteoblastoma, C. Aneurysmal bone cyst, D. Chondroblastoma', 'role': 'user'}, {'content': 'Answer: C \nExplanation: OSTEOCLASTIC GAINT CELLS ARE SEEN IN ALL THE ABOVE EXCEPT BONYCYST REF : MAHESAWRI 9TH ED', 'role': 'assistant'}]