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To examine whether an active negative regulatory process occurs, we created a reporter construct containing as an enhancer four copies of the NF-AT site and one copy of the octamer site ( 4X NF-AT-Oct ).
 DNA: octamer site; DNA: 4X NF-AT-Oct; DNA: reporter construct; DNA: NF-AT site; DNA: enhancer
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: octamer site, 4X NF-AT-Oct, reporter construct, NF-AT site, enhancer 
Answer:
 DNA: octamer site; DNA: 4X NF-AT-Oct; DNA: reporter construct; DNA: NF-AT site; DNA: enhancer