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Last year , the agency offered to support research by Leonard Kleinrock , a computer scientist at the University of California , Los Angeles who was one of the small group of researchers who developed the Arpanet , the 1960 's predecessor to today 's Internet .
 Leonard Kleinrock, Los Angeles
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:
 Leonard Kleinrock, Los Angeles