This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pathology
[{'content': 'Interleukin responsible for Pyrexia is: \nSelect and explain. \nA. IL1, B. IL3, C. IL4, D. IL8', 'role': 'user'}, {'content': 'Answer: A \nExplanation: REF Robbins 10th ed. IL1-fever IL4 - humoral and adaptive immunity IL 8 - Neutrophil chemotactic factor IL 3 - for proliferation of pluripotent cells', 'role': 'assistant'}]