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In Mława , the system reached the Prussian railway network , as the nearby German border station of Działdowo ( Soldau ) was another important junction , with connections to Gdańsk ( Danzig ) , Olsztyn ( Allenstein ) , and Toruń ( Thorn ) .
 Mława, Działdowo, Gdańsk, Olsztyn, Toruń
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Mława, Działdowo, Gdańsk, Olsztyn, Toruń