5817
Transient-transfection assays showed that bcl-x promoter was transactivated by wild-type Tax .
 protein: Tax; protein: wild-type Tax; DNA: bcl-x promoter
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: Tax, wild-type Tax, bcl-x promoter 
Answer:
 protein: Tax; protein: wild-type Tax; DNA: bcl-x promoter