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: Pathology
[{'content': 'Which of the following is not an anti-inflammatory\ncytokine \nSelect and explain. \nA. IL 13, B. IL 10, C. IL 18, D. TGF beta', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]