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: Dental
[{'content': 'Which of the following non collagenous protein of dentin prevents premature mineralization \nSelect and explain. \nA. Decorin and Biglycans, B. Dentin Phosphoprotein, C. Dentin Sialoprotein, D. All of the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]