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': 'Weine’s classification of the following tooth is: \nSelect and explain. \nA. Type I, B. Type II, C. Type III, D. Type IV', 'role': 'user'}, {'content': "Answer: A \nExplanation: Weine's classification\xa0\n\nType I: Single canal from pulp chamber to apex.\xa0\nType II: Two canals leaving from the chamber and merging to form a single canal short of the apex.\xa0\nType III: Two separate and distinct canals from chamber to apex.\xa0\nType IV: One canal leaving the chamber and dividing into two separate and distinct canals.", 'role': 'assistant'}]