790
A phenotypic drift from latency I to latency III has been observed previously in some BL cell lines .
 cell line: BL cell lines
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: BL cell lines 
Answer:
 cell line: BL cell lines