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 Last fall , a researcher at Carnegie Mellon University in Pittsburgh published a study of online extortion involving small and mediumsized businesses , saying that the Internets global reach had produced a profound change in the nature of crime , as the existence of information systems and networks now makes criminal acts possible that were not before , both in increased scope and ease . 
 Pittsburgh, Carnegie Mellon University
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:
 Pittsburgh, Carnegie Mellon University