15843
 The report said the agency had taken samples earlier this month at Natanz that '' tend to confirm '' the enrichment level of 3.6 percent declared by Iran the level needed to make electricity . 
 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: 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} 
Answer:
 location contains: Iran, Natanz