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Born in Uniontown, Pennsylvania, Nathaniel Ewing received an A.B. from Princeton University, main campus University in 1869 and an A.M. from Princeton University in 1872. He was in private practice in Uniontown, Pennsylvania from 1871 to 1887. He was a judge on the 14th Judicial District of Pennsylvania from 1887 to 1899, returning to private practice in Uniontown from 1900 to 1906.
 education institution: Nathaniel Ewing, Princeton University, main campus
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 institution: Nathaniel Ewing, Princeton University, main campus