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The APEC CEO Summit 2009 opened Friday with the world's top business leaders gathering here in  Singapore  to meet with APEC economic leaders and Singaporean Prime Minister  Lee Hsien Loong  is to deliver a keynote address .
 countries of residence: Singapore, Lee Hsien Loong
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: Singapore, Lee Hsien Loong