9027
These sequence analyses suggest that xIRS - u is a novel member of the IRS family rather than a Xenopus homolog of an existing member .
 GENE: xIRS - u; GENE: IRS family
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: xIRS - u, IRS family 
Answer:
 GENE: xIRS - u; GENE: IRS family