102
Another LTR size variation was observed in four patients in a region just upstream of the NF-kappa B enhancer .
 DNA: NF-kappa B enhancer; DNA: LTR size variation
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: NF-kappa B enhancer; DNA: LTR size variation