8506
As well , further deletion of the promoter region to nucleotide - 110 , which contains only one SF - 1 binding site , still retained the ability to respond to exogenous SF - 1 .
 GENE: SF - 1 binding site; GENE: SF - 1
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities: SF - 1 binding site, SF - 1 
Answer:
 GENE: SF - 1 binding site; GENE: SF - 1