983
PSI - G and PSI - K probably have evolved from a gene duplication of an ancestral gene .
 GENE: PSI - G; GENE: PSI - K
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: PSI - G, PSI - K 
Answer:
 GENE: PSI - G; GENE: PSI - K