8733
Specifically , recombination at HMR was used to produce rings that lacked the E and I silencers .
 GENE: HMR
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: HMR 
Answer:
 GENE: HMR