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During latent Epstein-Barr virus ( EBV ) infection of human B lymphocytes , six viral nuclear antigen ( EBNAs ) are expressed from long primary transcripts by means of alternative splicing and alternative polyadenylylation sites .
 cell type: human B lymphocytes; RNA: long primary transcripts; RNA: alternative splicing; protein: six viral nuclear antigen; protein: EBNAs; RNA: alternative polyadenylylation sites
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 cell type: human B lymphocytes; RNA: long primary transcripts; RNA: alternative splicing; protein: six viral nuclear antigen; protein: EBNAs; RNA: alternative polyadenylylation sites