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The Gambia is a very small and narrow country whose borders mirror the meandering Gambia River .
 location: Gambia; location: Gambia River
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: Gambia, Gambia River 
Answer:
 location: Gambia; location: Gambia River