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': 'While using EDTA and NaOCl what should be the sequence of irrigation i) Normal Saline II) NaOCl iii) EDTA \nSelect and explain. \nA. i>ii>iii, B. ii>i>iii, C. iii>i>ii, D. iii>ii>i', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]