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Correction : March 21 , 2006 , Tuesday Because of an editing error , an article on Thursday about violence in Iraq misidentified the Shiite Muslim holy day that millions of pilgrims began celebrating in the holy cities of Najaf and Karbala , raising a security concern that caused the assigning of extra American troops to those cities .
 Iraq, Najaf; Iraq, Karbala
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:
 Iraq, Najaf; Iraq, Karbala