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Only a few weeks later , on 9 February 1846 , the second section was completed to a temporary terminus at the site of present-day Duisburg Hauptbahnhof called the Cologne-Minden railway station , the first of three train stations built at the same place .
 Cologne-Minden
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Cologne-Minden