150729
The S 4 would run from there to Herne on the Duisburg-Ruhrort – Dortmund railway ( the Emscher Valley Railway of the Cologne-Minden Railway Company ) and there take over the Herne – Essen branch of the current S 2 line .
 Dortmund, Railway, Cologne-Minden Railway Company
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Dortmund, Railway, Cologne-Minden Railway Company