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 cytokines cause bone resorption? \nSelect and explain. \nA. IL-1, B. IL-8, C. IFN-gamma, D. IL-4', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]