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We show here that expression of CIITA in MHC class II -cells triggers occupation of the promoters by these complexes.
 cell line: MHC class II -cells; protein: CIITA; cell type: MHC class II
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
 Entities: MHC class II -cells, CIITA, MHC class II 
Answer:
 cell line: MHC class II -cells; protein: CIITA; cell type: MHC class II