51864
In one early 90 's study in Oregon , a researcher found that 300 Portland teenagers who 'd taken skid-control training in a public school program in the 1989-90 school year had a higher overall crash rate in the two years following than a group of 322 teenagers who had n't taken take the course .
 Oregon, Portland
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:
 Oregon, Portland