1246
Weak promoter activity was observed for the promoter of the C1 and C2 ORFs ( C1 - C2 gene ) and for the promoter of the V1 ORF .
 GENE: C1; GENE: C2; GENE: C1; GENE: C2; GENE: V1 ORF
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: C1; GENE: C2; GENE: C1; GENE: C2; GENE: V1 ORF