2214
Splicing of the K - SAM alternative exon of the fibroblast growth factor receptor 2 gene is heavily dependent on the U - rich sequence IAS1 lying immediately downstream from its 5 ' splice site .
 GENE: K - SAM; GENE: fibroblast growth factor receptor 2 gene; GENE: IAS1
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: K - SAM; GENE: fibroblast growth factor receptor 2 gene; GENE: IAS1