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The Song of the Rivers ( ) is a 1954 documentary film production by the East Germany 's Deutsche Film-Aktiengesellschaft ( DEFA ) .
 location: East Germany; organization: Deutsche Film-Aktiengesellschaft
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: East Germany; organization: Deutsche Film-Aktiengesellschaft