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 melting point of titanium is ____________ degree celsius \nSelect and explain. \nA. 1056, B. 1560, C. 1668, D. 1886', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]