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': 'In pendulum appliance, which wire is used? \nSelect and explain. \nA. 0.036" TMA, B. 0.036" SS, C. 0.032" TMA, D. 0.032" SS', 'role': 'user'}, {'content': 'Answer: C \nExplanation: The pendulum springs are made with 0.032" TMA wire and engaged in the lingual tubes of molars in a passive state.', 'role': 'assistant'}]