1270
Gelfand pairs are often used for classification of irreducible representations in the following way : Let " ( G , K ) " be a Gelfand pair .
 person: Gelfand
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Gelfand