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The new festival , a brainchild of Rome 's mayor , Walter Veltroni , has been widely perceived as a rival to the Venice Film Festival , but Mr. Veltroni has said he sees it as more of a populist event .
 Walter Veltroni, Rome; Walter Veltroni, Rome
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:
 Walter Veltroni, Rome; Walter Veltroni, Rome