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': 'Instrument which forms a blade angle of more than 125 is likely to be: \nSelect and explain. \nA. biangle chisel, B. Curette, C. chisel, D. Angle former', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]