4650
No promoter activity could be detected with various mouse Fli - 1 promoter - CAT constructs containing 600 bp of the 5 ' flanking region , the complete exon 1 , the 5 ' end of intron 1 and / or retroviral LTR sequence .
 GENE: mouse Fli - 1 promoter; GENE: CAT
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: mouse Fli - 1 promoter; GENE: CAT