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 indicator teeth used in the Ramjford index are: \nSelect and explain. \nA. 11,16,26,31,36,46, B. 16,21,24,36,41,44, C. 1,16,21,26,36,46, D. 11,14,21,24,36,46', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]