14705
A R-PK DNA fragment extending from -870 to +54 relative to the cap site confers erythroid specificity to a reporter gene .
 DNA: R-PK DNA fragment; DNA: cap site; DNA: reporter gene
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: R-PK DNA fragment, cap site, reporter gene 
Answer:
 DNA: R-PK DNA fragment; DNA: cap site; DNA: reporter gene