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Uganda  's Prime Minister  Apolo Nsibambi  said on Monday that failure to address the refugee and internally displaced persons ( IDPs ) crisis in Africa is threatening the continent's peace and stability .
 countries of residence: Uganda, Apolo Nsibambi
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: Uganda, Apolo Nsibambi