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: Pathology
[{'content': 'Supernumerary tooth, tooth within tooth is most commonly seen in? \nSelect and explain. \nA. Maxillary lateral incisors, B. Mandibular 2nd premolar, C. Mandibular incisors, D. Maxillary central and lateral incisors', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]