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Born in Zagreb on 23 August 1890, Ivo Krbek graduated from the University of Zagreb, main campus of Zagreb in 1912. After receiving a law degree from the university several years later, Krbek began his lengthy tenure as a Professor of Administrative Law at that institution, which lasted for more than fifty years.
 education institution: Ivo Krbek, University of Zagreb, 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: Ivo Krbek, University of Zagreb, main campus