52
 Iran said Sunday that it was going to resume work at a uranium conversion facility in Isfahan and that it was tired of waiting for a proposal from the European nations about possible economic , security , political and technological incentives in return for Iran 's commitment to halt its nuclear program . 
 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