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Prime Minister Silvio Berlusconi said Tuesday that he aimed to begin withdrawing Italy 's 3,000 troops from Iraq by September , in a signal that the domestic cost of loyalty to the United States over the war was growing too high .
 Silvio Berlusconi, Italy
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; 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:
 Silvio Berlusconi, Italy