23386
Of all the claims that Iran made last week about its nuclear program , a one-sentence assertion by its president has provoked such surprise and concern among international nuclear inspectors they are planning to confront Tehran about it this week .
 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