13711
 In recent months , as one international crisis followed another , John R. Bolton has fulfilled the role of the United Nations ' most influential ambassador at full strength , firmly articulating the position of the United States government regarding Iran , North Korea and the Middle East . 
 location contains: Middle East, Iran
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:  Middle East, Iran 
Answer:
 location contains: Middle East, Iran