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The importance of NF-kappaB sites was confirmed by using vectors containing wild-type or mutant kappaB sites in a heterologous promoter .
 DNA: NF-kappaB sites; DNA: heterologous promoter; protein: NF-kappaB
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: NF-kappaB sites, heterologous promoter, NF-kappaB 
Answer:
 DNA: NF-kappaB sites; DNA: heterologous promoter; protein: NF-kappaB