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Between 2005 and 2007 , he studied at the Ghana Institute of Management and Public Administration at Achimota in Accra .
 Ghana, Achimota, Accra
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Ghana, Achimota, Accra