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Colnbrook railway station was a station on the now closed railway line between West Drayton and Staines West , on the western edge of London , England .
 location: Colnbrook; location: Staines
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: Colnbrook, Staines 
Answer:
 location: Colnbrook; location: Staines