14742
Two sets of nested primers were designed to conserved sequences in the adenovirus E1A and hexon genes .
 protein: hexon; DNA: nested primers; protein: adenovirus E1A
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: hexon, nested primers, adenovirus E1A 
Answer:
 protein: hexon; DNA: nested primers; protein: adenovirus E1A