18904
AS 2006 winds down , two developments inside Iraq stand out : the failure of the previous year 's election to produce any sense of progress , and the commencement of Iraq 's civil war , dating back to the Feb. 22 bombing of the hallowed Shiite mosque in Samarra and escalating ever since .
 location contains: Iraq, Samarra; location contains: Iraq, Samarra
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, Samarra; Iraq, Samarra 
Answer:
 location contains: Iraq, Samarra; location contains: Iraq, Samarra