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Angola  's Prime Minister  Fernando da Piedade Dias dos Santos  declared the opening of the meeting appealing to the participants from the SAPCZ member states to defend the reinforcement of combat to drug-trafficking illegal light - weapons trade and sea piracy in the region .
 countries of residence: Angola, Fernando da Piedade Dias dos Santos
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:
 countries of residence: Angola, Fernando da Piedade Dias dos Santos