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With a fellowship from the Rockefeller Foundation, he did research in London, Paris and The Hague, and after December 1957, in New York and Washington. From 1958 to 1961, Ferenc Albert Vali was a Research Associate at the Harvard Center for International Affairs. In September 1961 he joined the government department at the University of Massachusetts Amherst and stayed there until his retirement in 1975. Vali died on 19 November, 1984 in Massachusetts, U.S.A.
 Ferenc Albert Vali, Massachusetts
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: place of death, place of birth, education degree, education institution 
Text: {0} 
Answer:
 Ferenc Albert Vali, Massachusetts