2534
In Anbar -- the large desert province in western Iraq , where insurgents regularly battle American soldiers , causing residents to flee -- enrollment in primary school is up by 15 percent , and in secondary and high school it is up by 37 percent .
 location contains: Iraq, Anbar
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:  Iraq, Anbar 
Answer:
 location contains: Iraq, Anbar