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': 'Which of these teeth are highly sturdy and usually the last ones to be lost? \nSelect and explain. \nA. First molar, B. Central incisors, C. Canines, D. Premolars', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]