1041
The DRF - 2 nuclear protein has characteristics similar to those of the muscle - specific regulatory factor , MEF - 2 ( Buskin and Hauschka 1989 ; Gossett et al . , 1989 ) .
 GENE: DRF - 2 nuclear protein; GENE: MEF - 2
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: DRF - 2 nuclear protein, MEF - 2 
Answer:
 GENE: DRF - 2 nuclear protein; GENE: MEF - 2