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In his 68-second '' Birds , '' the Czech artist Jesper Alvaer records what ensues if you place a video camera amid a pile of bird seed in the Piazza San Marco in Venice : something like Uccello 's '' Battle of San Romano '' enacted by pigeons .
 Venice, Piazza San Marco
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:
 Venice, Piazza San Marco