1077
The most likely interpretation of our results is that both the ubiquitous transcription factor , OTF-1 , and the B-cell-specific transcription factor , OTF-2 , can activate U2 snRNA transcription .
 protein: transcription factor; protein: OTF-1; RNA: U2 snRNA; protein: B-cell-specific transcription factor; protein: OTF-2; protein: transcription factor
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:
 protein: transcription factor; protein: OTF-1; RNA: U2 snRNA; protein: B-cell-specific transcription factor; protein: OTF-2; protein: transcription factor