10904
Multiple functionally important EBF and E47 binding sites were identified in the lambda5 promoter/enhancer region , indicating that lambda5 is a direct genetic target for these transcription factors .
 DNA: lambda5 promoter/enhancer region; protein: transcription factors; DNA: lambda5; DNA: lambda5
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: lambda5 promoter/enhancer region, transcription factors, lambda5, lambda5 
Answer:
 DNA: lambda5 promoter/enhancer region; protein: transcription factors; DNA: lambda5; DNA: lambda5