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': 'Who proposed the classification of primary dentition based on distal surface of second molar? \nSelect and explain. \nA. Angle, B. Baume, C. Simon, D. Dewey', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Classification of\xa0Primary Dentition given by Baume, 1959', 'role': 'assistant'}]