9521
Genetic experiments using mutants defective in apontic and bruno reveal a functional interaction between these genes .
 GENE: apontic; GENE: bruno
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: apontic, bruno 
Answer:
 GENE: apontic; GENE: bruno