21028
The head of the United Nations inquiry into the assassination of Rafik Hariri , the former prime minister of Lebanon , said Tuesday that his investigation had reached a '' sensitive and complicated phase , '' but that he could not discuss it for fear of endangering investigators and witnesses .
 Rafik Hariri, Lebanon
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; 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} 
Answer:
 Rafik Hariri, Lebanon