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Dr. Jeffery L. Briggs ( born March 10 1957 in Florence Alabama ) is founder and former President and CEO of  Firaxis Games  a video game developer based in  Hunt Valley  Maryland United States .
 city of headquarters: Firaxis Games, Hunt Valley
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: Firaxis Games, Hunt Valley