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The class II transactivator CIITA is required for transcriptional activation of the major histocompatibility complex (MHC) class II genes .
 protein: class II transactivator; DNA: major histocompatibility complex (MHC) class II genes; protein: CIITA
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: class II transactivator, major histocompatibility complex (MHC) class II genes, CIITA 
Answer:
 protein: class II transactivator; DNA: major histocompatibility complex (MHC) class II genes; protein: CIITA