14292
By contrast, memory cells, either in vitro activated helper T cells reverting to a resting state, or CD4+ T (memory) clones , or CD4+CD45RO+ T cells isolated ex vivo, no longer have a silencer .
 DNA: silencer; cell line: CD4+CD45RO+ T cells; cell line: CD4+ T (memory) clones; cell line: vitro activated helper T cells
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: silencer, CD4+CD45RO+ T cells, CD4+ T (memory) clones, vitro activated helper T cells 
Answer:
 DNA: silencer; cell line: CD4+CD45RO+ T cells; cell line: CD4+ T (memory) clones; cell line: vitro activated helper T cells