1051
The promoters and enhancers of cell type-specific genes are often conserved in evolution, and hence one might expect that a given enhancer has evolved to work best with its own promoter .
 DNA: enhancer; DNA: enhancers; DNA: promoters; DNA: promoter
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 DNA: enhancer; DNA: enhancers; DNA: promoters; DNA: promoter