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The director of the United Nations commission investigating the killing of Rafik Hariri , the former prime minister of Lebanon , reported Monday that it had confirmed preliminary findings that the attack was the work of a suicide bomber but was still pursuing the identities of the participants in the highly organized plot .
 nationality: Rafik Hariri, Lebanon
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:  Rafik Hariri, Lebanon 
Answer:
 nationality: Rafik Hariri, Lebanon