11680
We show that several heme - responsive mechanisms combine to regulate DAN / TIR gene expression .
 GENE: DAN; GENE: TIR
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: DAN, TIR 
Answer:
 GENE: DAN; GENE: TIR