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 instruments has a two point\ncontact with the tooth \nSelect and explain. \nA. Hoe, B. Sickle, C. Currete, D. Cumin scaler', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]