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': 'Macrophages are conveed to epitheloid cells by which cytokine - \nSelect and explain. \nA. 1L-2, B. IFN-y, C. TNF-a, D. TGF-f3', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., IFN-y", 'role': 'assistant'}]