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
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-kappa B enhancer, LTR size variation 
Answer:
 DNA: NF-kappa B enhancer; DNA: LTR size variation