994
Consistent with this , rh5 expression in R8 disappears when R7 cells are absent ( in sevenless mutant ) .
 GENE: rh5; GENE: R8; GENE: sevenless mutant
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: rh5; GENE: R8; GENE: sevenless mutant