6247
The C - terminal approximately 50 amino acids of Bel - 1 are shown to be essential for Bel - 1 activity but can be effectively substituted by the C - terminal activation domain of VP16 .
 GENE: Bel - 1; GENE: Bel - 1; GENE: VP16
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: Bel - 1, Bel - 1, VP16 
Answer:
 GENE: Bel - 1; GENE: Bel - 1; GENE: VP16