1598
From the USA 1000 military servicemen took part in the exercise including the United States Army Europe 3rd Battalion 25th Marines 1st Battalion 121st Infantry Regiment  Georgia Army National Guard  ( Atlanta  Georgia  ) and 5045th Garrison Support Unit .
 state or province of headquarters: Georgia Army National Guard, Georgia
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:
 state or province of headquarters: Georgia Army National Guard, Georgia