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Education and military career Alexis attended high school in Burgsteinfurt and attended university at the University of Bonn , where he was a member of the Corps Borussia Bonn .
 Burgsteinfurt, University of Bonn, Bonn
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Burgsteinfurt, University of Bonn, Bonn