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Prince Edward Island 's only significant population centres are in Charlottetown and Summerside .
 location: Prince Edward Island; location: Charlottetown; location: Summerside
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: Prince Edward Island, Charlottetown, Summerside 
Answer:
 location: Prince Edward Island; location: Charlottetown; location: Summerside