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Few were more painful than the murder of the United Nations special representative in Iraq , Sergio Vieira de Mello , his colleagues Nadia Younes and Rick Hooper and 14 other United Nations staff in the 2003 bombing of its headquarters in Baghdad .
 country of capital: Iraq, Baghdad; location contains: Iraq, Baghdad
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, Baghdad; Iraq, Baghdad 
Answer:
 country of capital: Iraq, Baghdad; location contains: Iraq, Baghdad