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NATO Response Force ( NRF ) leaders met at Allied Air Component Command Headquarters in Ramstein of Germany to discuss the future of the fledging force Mons (  Belgium  ) - based  Supreme Headquarters Allied Powers Europe  ( SHAPE ) announced on Friday .
 country of headquarters: Belgium, Supreme Headquarters Allied Powers Europe
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: Belgium, Supreme Headquarters Allied Powers Europe