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Elba Island is an island located in Chatham County , Georgia , near the Port of Savannah .
 location: Chatham County , Georgia; location: Savannah
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: Chatham County , Georgia, Savannah 
Answer:
 location: Chatham County , Georgia; location: Savannah