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: Pathology
[{'content': 'Which of the following bone grafts have osteogenic propeies ? \nSelect and explain. \nA. Calcium sulphate, B. Calcium triphosphate, C. Demineralized bone matrix, D. Bone marrow aspirate', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Bone marrow aspirate", 'role': 'assistant'}]