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From 1950 to 1954, Rudolf Bahro attended high school in Furstenberg. Since it was assumed that all highschoolers there would join the Free German Youth (FDJ), Bahro joined in 1950, albeit reluctantly. This was, as he later commented, the only time he did something under pressure against his will. In 1952 he applied for membership to the SED, which he entered in 1954. Bahro was regarded as extremely intelligent and graduate from high school with honors. He attended Humboldt University of Berlin, main campus University in Berlin from 1954 to 1959 and studied philosophy. Among his teachers were Kurt Hager (who later became the ideologist of the SED), Georg Klaus and Wolfgang Heise. The topic of his thesis was ``Johannes R. Becher and the ratio of the German working class and its party on the national question of our people.''
 education institution: Rudolf Bahro, Humboldt University of Berlin, 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: Rudolf Bahro, Humboldt University of Berlin, main campus