216723
It became the largest marshalling yard in the central Ruhr area and the only station in the Ruhr that included all four forms of rail operations : in addition to its role as a marshalling yard , it was the home depot for over 300 locomotives along with associated rolling stock , a freight yard and a passenger station .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities:  
Answer:
 None