9128
In business Sterling partnered Perry Hughes (  Roots Music Group  ) manager to opera star Jon Christos contemporary jazz singer and songwriter  Rick Guard  and former manager to opera star Russell Watson ) .
 employee of: Roots Music Group, Rick Guard
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: Roots Music Group, Rick Guard