55719
In June 1996 , the Qods Force , the covert-action arm of Iran 's Islamic Revolutionary Guards Corps , arranged the bombing of an apartment building used by our Air Force in Khobar , Saudi Arabia , killing 19 Americans .
 Saudi Arabia, Khobar
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:
 Saudi Arabia, Khobar