16606
Javad Vaeedi , above , a senior Iranian nuclear negotiator , said it would be some time before the enrichment , at the Natanz plant , one of Iran 's main nuclear sites , would have the capacity to produce nuclear fuel for reactors . ''
 location contains: Iran, Natanz
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, Natanz