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As the Bush administration presses the world 's other major powers to speed ahead with sanctions against Iran , a fascinating puzzle of conflicting evidence , contained in the latest findings by international inspectors , is fueling the debate on whether to confront Tehran over its nuclear activities .
 Iran, Tehran; Iran, Tehran
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:
 Iran, Tehran; Iran, Tehran