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 the following design characteristics of a partial denture is most important to oral health: \nSelect and explain. \nA. Bracing, B. Support, C. Stability, D. Retention', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]