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That is because in a newly united and integrated Europe , former Communist countries like Poland have a much greater interest in keeping the social welfare , subsidies and economic boon they get by tying themselves to Europe than any advantage they might gain by heading off on a new military venture with the United States . ''
 location contains: Europe, Poland; location contains: Europe, Poland
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: 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} 
Answer:
 location contains: Europe, Poland; location contains: Europe, Poland