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After a research stint at the Harvard Center for Hellenic Studies at Washington , DC ( 2007/08 ) , Riess earned the Habilitation at the University of Augsburg , Germany in 2008 for a thesis titled The Social Drama of Violence : A Cultural History of Interpersonal Violence in Fourth-Century BCE Athens .
 person: Riess; organization: University of Augsburg
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Riess, University of Augsburg 
Answer:
 person: Riess; organization: University of Augsburg