6599
Mobility and supershift assays demonstrated that upstream stimulatory factor ( USF ) and Sp1 bind to the former elements and competition experiments confirmed that CREB / ATF and AP - 1 bind to the CRE / TRE element .
 GENE: upstream stimulatory factor; GENE: USF; GENE: Sp1; GENE: CREB; GENE: ATF; GENE: AP - 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: upstream stimulatory factor, USF, Sp1, CREB, ATF, AP - 1 
Answer:
 GENE: upstream stimulatory factor; GENE: USF; GENE: Sp1; GENE: CREB; GENE: ATF; GENE: AP - 1