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Barwana was a way station for a joint Iraqi and American convoy as it traveled to a stretch of hard-packed sand overlooking the Euphrates in the Haditha triad , one of the more challenging areas in Anbar , the most dangerous province in Iraq .
 location contains: Iraq, Haditha; 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, Haditha; Iraq, Anbar 
Answer:
 location contains: Iraq, Haditha; location contains: Iraq, Anbar