15763
 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
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: nationality, country capital, place of death, children, location contains, place of birth, place lived, administrative division of country, country of administrative divisions, company, neighborhood of, company founders 
Text: {0} 
 Entity Pairs:  Iran, Isfahan 
Answer:
 location contains: Iran, Isfahan