2999
The proximal element is a composite site that binds members of the CREB/ATF , AP-1 , and octamer families of transcription factors .
 protein: AP-1; protein: transcription factors; protein: CREB/ATF; protein: octamer families
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: AP-1, transcription factors, CREB/ATF, octamer families 
Answer:
 protein: AP-1; protein: transcription factors; protein: CREB/ATF; protein: octamer families