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In 1956 he finished a degree in law. He later finished a doctorate in law in 1965 at the University of Zagreb, main campus of Zagreb, specializing in maritime law. Hrvoje Ka cic also writes about history. He has collaborated with Ivo Pilar Institute of History.
 education institution: Hrvoje Ka, University of Zagreb, main campus
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: place of death, place of birth, education degree, education institution 
Text: {0} 
 Entity Pairs:  Hrvoje Ka, University of Zagreb, main campus 
Answer:
 education institution: Hrvoje Ka, University of Zagreb, main campus