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Classical examples of such Gelfand pairs are " ( G , K ) " , where " G " is a reductive Lie group and " K " is a maximal compact subgroup .
 person: Gelfand; person: Lie
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; person: Lie