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': 'Fibroblasts in tissue culture form interferon of type- \nSelect and explain. \nA. Alpha, B. Beta, C. Gamma, D. All of the above', 'role': 'user'}, {'content': 'Answer: B \nExplanation: IFN beta produced by fibroblasts Reff: Anantharayan & Panikers textbook f microbiology 9th edition pg:155', 'role': 'assistant'}]