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Three African leaders -- from Niger , Guinea and Ghana -- are expected to attend the celebrations marking September 1 , 1969 when a group of young army officers , led by a 27-year-old Gaddafi , deposed King Mohammed Idris .
 location: Niger; person: Mohammed Idris; location: Guinea; else: African; location: Ghana; person: Gaddafi
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, else, organization, person 
Text: {0} 
Answer:
 location: Niger; person: Mohammed Idris; location: Guinea; else: African; location: Ghana; person: Gaddafi