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Uncle Tupelo  singers Jay Farrar and  Jeff Tweedy  exchanged their interests in bluegrass music with Buck and decided to collaborate on an acoustic music project in the future.Kot 2004 p. 61 Two years later the alternative rock of bands such as Nirvana broke into the mainstream .
 employee of: Uncle Tupelo, Jeff Tweedy
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:
 employee of: Uncle Tupelo, Jeff Tweedy