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Swordfish Studios was acquired by  Vivendi  Games in June 2005 becoming a fully owned studio of  Sierra Entertainment  then acquired by Codemasters on 15 November 2008 after an agreement with Activision Blizzard.Codemasters Acquires Swordfish Studios zConnection It is now known as Codemasters Birmingham .
 employee of: Vivendi, Sierra Entertainment
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: Vivendi, Sierra Entertainment