This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Identification, Subject name: Forensic Medicine
[{'content': 'Supernumerary teeth common location - \nSelect and explain. \nA. Upper incisor, B. Canine, C. Molar, D. Lower incisor', 'role': 'user'}, {'content': "Answer: A \nExplanation: Supernumerary teeth are those which are additional or in excess of the normal number. The most common site is upper incisor. Ref: K.S.Narayan Reddy's synopsis of Forensic Medicine and Toxicology 29 th edition Chapter 4,page- 59.", 'role': 'assistant'}]