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 do not play role in production, maintainance & activation of lymphocytes? \nSelect and explain. \nA. IL-1, B. IL-2, C. IL-3, D. IL-12', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., IL-12", 'role': 'assistant'}]