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Portugal  also conducted several independent unilateral military operations abroad as were the cases of the interventions of the  Portuguese Armed Forces  in Angola in 1992 and in Guinea-Bissau in 1998 with the main objectives of protecting and withdrawing of Portuguese and foreign citizens threatened by local civil conflicts .
 country of headquarters: Portugal, Portuguese Armed Forces
Given options, please tell me the relationships of all the listed entity pairs.Output format is "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} 
 Entity Pairs:  Portugal, Portuguese Armed Forces 
Answer:
 country of headquarters: Portugal, Portuguese Armed Forces