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Carsten Keller 's father Erwin grabbed a silver medal in the same sport at the 1936 Summer Olympics in Berlin .
 person: Carsten Keller; person: Erwin; location: Berlin
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: Carsten Keller, Erwin, Berlin 
Answer:
 person: Carsten Keller; person: Erwin; location: Berlin