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Mutant Enemy Productions  is the production company created in 1996 by  Joss Whedon  to produce Buffy the Vampire Slayer .
 founded by: Mutant Enemy Productions, Joss Whedon
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:
 founded by: Mutant Enemy Productions, Joss Whedon