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Arizona Federal Credit Union  ( or Arizona Federal ) is a federally insured $ 1.3 billion member natural person credit union headquartered in  Phoenix  Arizona chartered and regulated under the authority of the National Credit Union Administration ( NCUA ) .
 city of headquarters: Arizona Federal Credit Union, Phoenix
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: Arizona Federal Credit Union, Phoenix