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 size of wire used to reinforce porcelain bridges is \nSelect and explain. \nA. 10 gauge, B. 12 gauge, C. 14 gauge, D. 16 gauge', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]