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In addition, Tax also stimulates the transcription of the E2F-1 gene itself.
 protein: E2F-1; protein: Tax; DNA: E2F-1 gene
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: E2F-1, Tax, E2F-1 gene 
Answer:
 protein: E2F-1; protein: Tax; DNA: E2F-1 gene