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': 'The type of chisel with the shank and blade slightly curved is: \nSelect and explain. \nA. Straight chisel, B. Wedelsaedt chisel, C. Enamel hatchet, D. GMT', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]