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': 'The 2nd common most supernumerary teeth is \nSelect and explain. \nA. Mesiodens, B. Distal to 3rd molar in maxilla, C. Distal to mandibular 3rd molar, D. Para molars', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]