4525
Three years later he was sent to headquarters  Air Education and Training Command  at Randolph Air Force Base  Texas  as the command comptroller .
 state or province of headquarters: Air Education and Training Command, Texas
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: Air Education and Training Command, Texas