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South Acton is a station on the MBTA Fitchburg Line in Acton , Massachusetts .
 location: Acton; organization: MBTA Fitchburg; location: Acton , Massachusetts
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: Acton, MBTA Fitchburg, Acton , Massachusetts 
Answer:
 location: Acton; organization: MBTA Fitchburg; location: Acton , Massachusetts