This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Musculoskeletal system, Subject name: Anatomy
[{'content': 'In giant cell tumor of the bone.,the cell of origin is \nSelect and explain. \nA. Fibroblst cells, B. Osteoclast and precursors, C. Osteoblast and precursors, D. Sinusoidal cells', 'role': 'user'}, {'content': 'Answer: C \nExplanation: The Neoplastic cells of giant cell tumor are primitive osteoblast precursors but they represent only a minority of the tumor cells.The bulk of the tumor consists of non Neoplastic osteoclast and their precursors Ref Robbins page no 1203', 'role': 'assistant'}]