15898
It was back in 1991 that Anderson and Jennifer Mather , a psychologist from the University of Lethbridge in Alberta , Canada , first decided to undertake a joint personality study of 44 smaller red octopuses at the aquarium as a way to begin to codify and systematize what they thought they had been observing .
 Canada, Alberta; Canada, Alberta; Alberta, Canada
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:
 Canada, Alberta; Canada, Alberta; Alberta, Canada