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Tehran resumed uranium enrichment at Natanz in January , and the next month , after the 35-nation board of the I.A.E.A. sent Iran 's case to the United Nations Security Council for possible punishment , Tehran made good on a threat to drop all but the bare-bones inspections .
 location contains: Iran, Tehran; location contains: Iran, Tehran; country of capital: Iran, Tehran; location contains: Iran, Natanz; country of capital: Iran, Tehran
Given options, please tell me the relationships of all the listed entity pairs.Output format is "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} 
 Entity Pairs:  Iran, Tehran; Iran, Tehran; Iran, Tehran; Iran, Natanz; Iran, Tehran 
Answer:
 location contains: Iran, Tehran; location contains: Iran, Tehran; country of capital: Iran, Tehran; location contains: Iran, Natanz; country of capital: Iran, Tehran