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 FACT FANS UNITE The second annual Wikimania conference , for people who contribute regularly to the Internet encyclopedia Wikipedia , starts Friday at Harvard Law School in Cambridge , Mass. . 
 Cambridge, Harvard Law School
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: nationality, country capital, place of death, children, location contains, place of birth, place lived, administrative division of country, country of administrative divisions, company, neighborhood of, company founders 
Text: {0} 
Answer:
 Cambridge, Harvard Law School