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': 'Pure gold fuses at the temperature (in °C) of: \nSelect and explain. \nA. 863, B. 1063, C. 1263, D. 1463', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]