18143
YouTube was hatched by Chad Hurley , Steven Chen and Jawed Karim , all PayPal alumni , early last year .
 YouTube, Chad Hurley; YouTube, Jawed Karim; YouTube, Jawed Karim; Chad Hurley, YouTube
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:
 YouTube, Chad Hurley; YouTube, Jawed Karim; YouTube, Jawed Karim; Chad Hurley, YouTube