1800
These latter results showed that the ABFI protein , like the RAP1 protein , bound sequences required for positive as well as negative regulation of gene expression .
 GENE: ABFI protein; GENE: RAP1 protein
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: ABFI protein, RAP1 protein 
Answer:
 GENE: ABFI protein; GENE: RAP1 protein