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 Elliot Forbes , a retired Harvard University professor of music whose revision of '' Thayer 's Life of Beethoven '' became a pillar of Beethoven scholarship , died at his home in Cambridge , Mass. , on Tuesday , family members said . 
 Elliot Forbes, Cambridge; Elliot Forbes, Harvard University; Elliot Forbes, Cambridge
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:
 Elliot Forbes, Cambridge; Elliot Forbes, Harvard University; Elliot Forbes, Cambridge