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': 'The commonest teeth involved in transposition are: \nSelect and explain. \nA. Maxillary central incisor and lateral incisor, B. Maxillary canine and first premolar, C. Maxillary 1st premolar and 2nd premolar, D. Maxillary canine and lateral incisor', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]