48692
But the whole point of this war , it seems , was to establish a long-term military presence in Iraq to ensure American domination of the Middle East and its precious oil reserves , which have been described , the author Daniel Yergin tells us , as '' the greatest single prize in all history . ''
 location contains: Middle East, Iraq
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:  Middle East, Iraq 
Answer:
 location contains: Middle East, Iraq