904
For il8ra , it is formed from two exons , whereas for il8rb , seven distinct neutrophil mRNAs are formed by alternative splicing of 11 exons .
 GENE: il8ra; GENE: il8rb
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: il8ra; GENE: il8rb