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West Berlin was now de facto a part of West Germany with a unique legal status , while East Berlin was de facto a part of East Germany .
 West Berlin, West Germany, East Berlin, East Germany
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 West Berlin, West Germany, East Berlin, East Germany