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The Gauliga Niedersachsen was the highest football league in the Prussia n Province of Hanover and the German states of Bremen , Brunswick , Schaumburg-Lippe and Oldenburg from 1933 to 1945 .
 Prussia, Bremen
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Prussia, Bremen