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World oil prices , now just under $ 70 a barrel , have recently displayed strong sensitivity to fluctuating supplies , and Iraq 's northern oil fields , centered on the city of Kirkuk , can produce close to a million barrels a day , according to estimates by the state-owned North Oil Company and the United States Energy Department .
 location contains: Iraq, Kirkuk
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: 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:
 location contains: Iraq, Kirkuk