9140
The ARF promoter was also found to be highly responsive to E2F1 expression , in keeping with previous results at the RNA level .
 GENE: ARF promoter; GENE: E2F1
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: ARF promoter, E2F1 
Answer:
 GENE: ARF promoter; GENE: E2F1