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Northampton Power Station ( also known as Nunn Mills Power Station ) was a electricity generating station in Northampton , Northamptonshire , England , which began operation for the Northampton Electric Light and Power Company ( NELPC ) in the 1920s and generated power until closure in 1975 .
 organization: Northampton; location: Northampton; location: Northamptonshire; organization: Northampton
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: Northampton, Northampton, Northamptonshire, Northampton 
Answer:
 organization: Northampton; location: Northampton; location: Northamptonshire; organization: Northampton