1067
It was found, in particular, that the element TCEd , which binds the transcription factor NF-kB , is very active in all three B clones tested.
 protein: transcription factor; DNA: TCEd; cell line: B clones; protein: NF-kB
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: transcription factor, TCEd, B clones, NF-kB 
Answer:
 protein: transcription factor; DNA: TCEd; cell line: B clones; protein: NF-kB