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Sabbath Day House , built in 1765 , is an historic building located at 20 Andover Road in Billerica , Massachusetts .
 location: Billerica , 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: Billerica , Massachusetts 
Answer:
 location: Billerica , Massachusetts