11078
To analyze the regulatory activity of Gtx , we first identified the optimal Gtx - binding sequence using an in vitro DNA - binding assay .
 GENE: Gtx; GENE: Gtx - binding sequence
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: Gtx, Gtx - binding sequence 
Answer:
 GENE: Gtx; GENE: Gtx - binding sequence