This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Immunology, Subject name: Microbiology
[{'content': 'In tuberculosis, the cytokine playing major role in the conversion of tissue macrophages in to epithelloid cells - \nSelect and explain. \nA. Interferon gamma, B. Tumor necrosis factor, C. Interleukin 12, D. Macrophage chemoattractant protein', 'role': 'user'}, {'content': 'Answer: A \nExplanation: IFNg is an impoant activator of macrophages Reff : Ananthanarayan & Panikers textbook of microbiology 9th edition pg: 155.', 'role': 'assistant'}]