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Mutant Enemy Productions  is the production company created in 1996 by  Joss Whedon  to produce Buffy the Vampire Slayer .
 Mutant Enemy Productions, Joss Whedon
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; 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:
 Mutant Enemy Productions, Joss Whedon