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Hippel retired from public life in 1837 and donated a collection to the Königsberg Public Library .
 person: Hippel; location: Königsberg
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: Hippel, Königsberg 
Answer:
 person: Hippel; location: Königsberg