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President Bush is expected to push for easing the restrictions when he meets with NATO leaders on Tuesday and Wednesday at an alliance summit meeting in Riga , Latvia .
 country of administrative divisions: Latvia, Riga; location contains: Latvia, Riga; country of capital: Latvia, Riga; administrative division of country: Riga, Latvia
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: ethnicity, place lived, geographic distribution, company industry, country of administrative divisions, administrative division of country, location contains, person of company, profession, ethnicity of people, company shareholder among major shareholders, sports team of location, religion, neighborhood of, company major shareholders, place of death, nationality, children, company founders, company founded place, country of capital, company advisors, sports team location of teams, place of birth 
Text: {0} 
 Entity Pairs:  Latvia, Riga; Latvia, Riga; Latvia, Riga; Riga, Latvia 
Answer:
 country of administrative divisions: Latvia, Riga; location contains: Latvia, Riga; country of capital: Latvia, Riga; administrative division of country: Riga, Latvia