3891
BZLF1 mRNA and the product, an immediate-early gene for EBV replication, was not expressed in any of them, thereby suggesting that the tumour cells carried EBV genomes in a tightly latent form.
 RNA: BZLF1 mRNA; cell type: tumour cells; DNA: immediate-early gene; DNA: EBV genomes
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: BZLF1 mRNA, tumour cells, immediate-early gene, EBV genomes 
Answer:
 RNA: BZLF1 mRNA; cell type: tumour cells; DNA: immediate-early gene; DNA: EBV genomes