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The transactivation of multiple cis elements , especially S and X2 , of the DR alpha proximal promoter in group II CID cells is CIITA dependent.
 DNA: X2; DNA: proximal promoter; DNA: multiple cis elements; cell line: group II CID cells; protein: CIITA; DNA: DR alpha proximal promoter; DNA: S
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: X2, proximal promoter, multiple cis elements, group II CID cells, CIITA, DR alpha proximal promoter, S 
Answer:
 DNA: X2; DNA: proximal promoter; DNA: multiple cis elements; cell line: group II CID cells; protein: CIITA; DNA: DR alpha proximal promoter; DNA: S