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History Until the early 1890s North Cambridge and West Somerville were part of Saint Peter ’s parish .
 location: Cambridge; location: Somerville
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: Cambridge, Somerville 
Answer:
 location: Cambridge; location: Somerville