1603
Competition assays revealed that the DR units bound to factors other than the 12-bp insert .
 DNA: DR units; DNA: 12-bp insert
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: DR units, 12-bp insert 
Answer:
 DNA: DR units; DNA: 12-bp insert