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Following his release, Martin Ostwald enrolled at the University of Toronto, where he was able to resume his original interest in classical studies. After graduation in 1946 he continued his studies in the (at that time still quite new) Committee on Social Thought at the University of Chicago, where he wrote an M.A. thesis on the treatment of the Orestes myth by Aeschylus, Sophocles, and Euripides. In 1949 he became a Doctor of Philosophy al student under fellow German immigrant Kurt von Fritz at Columbia University in New York City. In 1951 he published his first scholarly article on the Prytaneion Decree (IG 13 131). The following year Ostwald received his ((NOM: Ph.D.)) after completing his dissertation on the Athenian constitution.
 education degree: Martin Ostwald, Doctor of Philosophy
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: place of death, place of birth, education degree, education institution 
Text: {0} 
Answer:
 education degree: Martin Ostwald, Doctor of Philosophy