973
The promoter region between -173 and -60 contained the strongest activating elements .
 DNA: promoter region; DNA: activating elements; DNA: -173 and -60
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: promoter region, activating elements, -173 and -60 
Answer:
 DNA: promoter region; DNA: activating elements; DNA: -173 and -60