3888
The EBNA transcription was initiated from one of three EBNA promoters , Qp : by contrast, both Cp and Wp were silent, thus resulting in the lack of EBNA2 mRNA .
 EBNA2 mRNA, Qp, EBNA promoters, Wp, EBNA, Cp, EBNA
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 EBNA2 mRNA, Qp, EBNA promoters, Wp, EBNA, Cp, EBNA