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European and American officials familiar with the details of the offer that Russia made to Iran say that Iran would continue to be allowed to operate its nuclear plant at Isfahan , which converts raw uranium into a form that is ready to be enriched .
 location contains: Iran, Isfahan; location contains: Iran, Isfahan
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, Isfahan; Iran, Isfahan 
Answer:
 location contains: Iran, Isfahan; location contains: Iran, Isfahan