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Walkden Low Level railway station is a closed railway station in Walkden , Greater Manchester .
 location: Walkden; location: Walkden; location: Greater Manchester
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: Walkden, Walkden, Greater Manchester 
Answer:
 location: Walkden; location: Walkden; location: Greater Manchester