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The current polio epidemic has been going on for a year and there have been outbreaks in the last six months in Burkina Faso , Cameroon , Chad , Guinea , Liberia , Mali , Mauritania , Senegal and Sierra Leone .
 location: Burkina Faso; location: Cameroon; location: Chad; location: Guinea; location: Liberia; location: Mali; location: Mauritania; location: Senegal; location: Sierra Leone
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: Burkina Faso, Cameroon, Chad, Guinea, Liberia, Mali, Mauritania, Senegal, Sierra Leone 
Answer:
 location: Burkina Faso; location: Cameroon; location: Chad; location: Guinea; location: Liberia; location: Mali; location: Mauritania; location: Senegal; location: Sierra Leone