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': 'MHC I, II and III function for: \nSelect and explain. \nA. Intracellular antigen, extracellular antigens and complement, B. Extracellular antigens, intracellular antigens, toxins, C. Cytokines, D. Macrophages', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C. CytokinesMHC I, II and III function for Intracellular antigen (CD8 T cells), extracellular antigens (CD4 T cells) and complement', 'role': 'assistant'}]