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A senior U.S. official stressed Monday in  Lebanon  his country's support to the  Lebanese Armed Forces  ( LAF ) the National News Agency ( NNA ) reported .
 country of headquarters: Lebanon, Lebanese Armed Forces
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:
 country of headquarters: Lebanon, Lebanese Armed Forces