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Iran says that it is building the heavy-water reactor at Arak , 120 miles southwest of Tehran , to produce radioactive isotopes for medical treatments and that the agency should provide it with technical assistance as part of its mission .
 location contains: Iran, Tehran; country of capital: Iran, Tehran; location contains: Iran, Arak
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, Arak 
Answer:
 location contains: Iran, Tehran; country of capital: Iran, Tehran; location contains: Iran, Arak