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To gain further insight into the suppression phenomenon we performed luciferase assays which show that silencing affects the activity of the B-cell-specific promoter of CIITA .
 protein: CIITA; DNA: B-cell-specific promoter
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: CIITA, B-cell-specific promoter 
Answer:
 protein: CIITA; DNA: B-cell-specific promoter