2450
Data from in vitro splicing assays , UV crosslinking and RNA - binding competition experiments indicates a strong correlation between the binding affinities of PSI for the SELEX sequences and their ability to modulate splicing of P element IVS3 in vitro .
 GENE: PSI; GENE: P element; GENE: IVS3
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: PSI; GENE: P element; GENE: IVS3