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More generally , Mr. Voulgarakis said , Greece and Italy now plan to forge a formal alliance to seek the return of ancient artifacts from museums in the United States and Europe .
 location contains: Europe, Italy; location contains: Europe, Greece
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, Italy; Europe, Greece 
Answer:
 location contains: Europe, Italy; location contains: Europe, Greece