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Back to Berlin he joined the German Democratic Party ( DDP ) in 1920 and in 1921 became district administrator ( Landrat ) at Rosenberg , Marienwerder ( today Susz , Poland ) .
 location: Berlin; organization: German Democratic Party; location: Rosenberg
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: Berlin, German Democratic Party, Rosenberg 
Answer:
 location: Berlin; organization: German Democratic Party; location: Rosenberg