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Iran also warned the West on Sunday that it would not negotiate over its uranium conversion plant in Isfahan , where it resumed work last week after rejecting an offer from European negotiators for a package of inducements 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: 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} 
 Entity Pairs:  Iran, Isfahan 
Answer:
 location contains: Iran, Isfahan