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History of the  Grateful Dead  Volume One ( Bear's Choice ) is the ninth album and the fourth live album by the Grateful Dead released in July 1973 on  Warner Bros  .
 employee of: Grateful Dead, Warner Bros
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: Grateful Dead, Warner Bros