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': 'Dontrix gauge is used for \nSelect and explain. \nA. Measurement of wire strength, B. Measurement of farce, C. Measurement of wire distortion, D. Measurement of wire deformation', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]