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 is not a pro-inflamatory cytokine ? \nSelect and explain. \nA. IL-8, B. IL-11, C. IL-1, D. PAF', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., PAF", 'role': 'assistant'}]