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Here we show that human T cells expressing MHC class II have CIITA transcripts while MHC class II-negative human T cells and mouse T cells do not.
 cell type: human T cells; cell type: human T cells; protein: CIITA; cell type: mouse T cells
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 cell type: human T cells; cell type: human T cells; protein: CIITA; cell type: mouse T cells