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Latvian President  Valdis Zatlers  expressed his satisfaction on Thursday over the development of relations between  Latvia  and Russia .
 Valdis Zatlers, Latvia
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; 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:
 Valdis Zatlers, Latvia