12891
In this study, we discovered a novel regulatory element located at -120 of the CD95L promoter which contains DNA binding sites for SP-1 and a yet unknown inducible factor .
 protein: SP-1; DNA: regulatory element; DNA: CD95L promoter; DNA: DNA binding sites; protein: inducible factor; protein: CD95L; DNA: -120
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: SP-1, regulatory element, CD95L promoter, DNA binding sites, inducible factor, CD95L, -120 
Answer:
 protein: SP-1; DNA: regulatory element; DNA: CD95L promoter; DNA: DNA binding sites; protein: inducible factor; protein: CD95L; DNA: -120