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During this period he also began to work with  Eugene Oregon  computer game company  Dynamix  ( later a division of Sierra Entertainment ) first as a technical writer documenting game tools then later as a creative writer on PC games .
 city of headquarters: Eugene Oregon, Dynamix
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:
 city of headquarters: Eugene Oregon, Dynamix