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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 a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: nationality, country capital, place of death, children, location contains, place of birth, place lived, administrative division of country, country of administrative divisions, company, neighborhood of, company founders 
Text: {0} 
Answer:
 nationality: Rafik Hariri, Lebanon