7571
This inhibitory domain has been deleted in all naturally occurring AHC deletion mutants described to date .
 GENE: AHC deletion mutants
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: AHC deletion mutants 
Answer:
 GENE: AHC deletion mutants