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 More than half of the respondents , however , said that the `` weakness of our economy '' and Europe 's fear that Russia would `` become strong '' are the country 's biggest impediments to membership . 
 location contains: Europe, Russia
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: nationality, country capital, place of death, children, location contains, place of birth, place lived, administrative division of country, country of administrative divisions, company, neighborhood of, company founders 
Text: {0} 
 Entity Pairs:  Europe, Russia 
Answer:
 location contains: Europe, Russia