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The commemoration means different things to each nation : for Russia it is a commemoration of its often-overlooked role as liberator , while for Poland and other Central European countries it is both part of a gradual recognition of their complicity in the killing and an opportunity to draw closer to Europe .
 location contains: Europe, Russia; location contains: Europe, Poland
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:  Europe, Russia; Europe, Poland 
Answer:
 location contains: Europe, Russia; location contains: Europe, Poland