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': 'A divided pulp canal is most likely to occur in the \nSelect and explain. \nA. Root of a maxillary canine, B. Root of mandibular canine, C. Root of a maxillary central incisor, D. Lingual root of a maxillary first molar', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]