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Dr. Witold Nazarewicz is a nuclear physicist born in Warsaw , Poland, currently teaching at the University of Tennessee. He is also the scientific director of the Holifield Radioactive Ion Beam Facility at Oak Ridge National Laboratory. He earned his doctorate in physics from the Warsaw Institute of Technology in 1981 and holds the title of professor ordinarius in Poland.
 place of birth: Witold Nazarewicz, Warsaw
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 birth: Witold Nazarewicz, Warsaw