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Later on as his  Motown  career developed Gaye would seek inspiration in fellow label mates such as David Ruffin of The Temptations and  Levi Stubbs  of the Four Tops as their grittier voices led to Gaye and his producer seeking a similar sound in recordings such as I Heard It Through the Grapevine and That's the Way Love Is .
 employee of: Motown, Levi Stubbs
Given options, please tell me the relationships of all the listed entity pairs.Output format is "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} 
 Entity Pairs:  Motown, Levi Stubbs 
Answer:
 employee of: Motown, Levi Stubbs