12308
In addition, extracellular factor (s) released by X-ray-treated human colonic carcinoma cell line ( HT29 ) might activate the long terminal repeat ( LTR ) of HIV-1 in non-irradiated HT29 cells .
 cell line: X-ray-treated human colonic carcinoma cell line; DNA: LTR; cell line: HT29; cell line: non-irradiated HT29 cells; protein: extracellular factor; DNA: long terminal repeat
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: X-ray-treated human colonic carcinoma cell line, LTR, HT29, non-irradiated HT29 cells, extracellular factor, long terminal repeat 
Answer:
 cell line: X-ray-treated human colonic carcinoma cell line; DNA: LTR; cell line: HT29; cell line: non-irradiated HT29 cells; protein: extracellular factor; DNA: long terminal repeat