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But they stopped the talks after the conservative government of President Mahmoud Ahmadinejad defied an agreement by resuming work at a uranium conversion plant near Isfahan that Iran says is intended to yield energy but that the West worries is a precursor to the development of nuclear weapons .
 location contains: Iran, Isfahan; nationality: Mahmoud Ahmadinejad, Iran
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "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} 
Answer:
 location contains: Iran, Isfahan; nationality: Mahmoud Ahmadinejad, Iran