1702
The ability of IFN-activated NK cells to selectively kill virally transformed cells depends on IFN 's ability to induce resistance to NK cell lysis in normal (i.e., non-viral oncogene-expressing ) but not virally transformed cells .
 cell line: non-viral oncogene-expressing; cell line: virally transformed cells; cell line: IFN-activated NK cells; protein: IFN
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:
 cell line: non-viral oncogene-expressing; cell line: virally transformed cells; cell line: IFN-activated NK cells; protein: IFN