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Greatest Hits also titled  Garth Brooks  in . . The Life of  Chris Gaines  is part of the alter ego project of American country music artist Garth Brooks in which Brooks assumes the fictitious persona of alternative rock artist Chris Gaines .
 alternate names: Garth Brooks, Chris Gaines
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: cities of residence, top members employees, members, alternate names, origin, state or provinces of residence, title of person, spouse, city of headquarters, NA, founded by, state or province of headquarters, employee of, countries of residence, country of birth, founded, subsidiaries, country of headquarters 
Text: {0} 
Answer:
 alternate names: Garth Brooks, Chris Gaines