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We plan to form a joint commission between Iran and Iraq to control our borders and block the way to saboteurs whose aim is to destabilize the security of the two countries , '' he said in Najaf after talks with Iraq 's most powerful Shiite religious leader , Grand Ayatollah Ali al-Sistani .
 Iraq, Najaf; Iraq, Najaf; Grand Ayatollah Ali al-Sistani, Najaf
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, Najaf; Grand Ayatollah Ali al-Sistani, Najaf