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Joseph P John Kohn born May 18, 1932 is a Professor Emeritus of mathematics at Princeton University, where he does research on partial differential operators and complex analysis.
 place of death: Joseph P, Princeton
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:
 place of death: Joseph P, Princeton