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': 'Vertuccis type III canal configuration is represented as \nSelect and explain. \nA. 1/2/2001, B. 2/1/2002, C. 1-Feb, D. 1-2-1-2', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Type I…1; type II….2-1; Type III 1-2-1; type IV …2; type V..1-2, Type vi…2-1-2, type VII..1-2-1-2; type VIII…3', 'role': 'assistant'}]