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Kelfala Marah ( born July 7 , 1984 in Koidu Town , Sierra Leone ) is a Sierra Leonian international footballer .
 Kelfala Marah, Koidu Town, Sierra Leone, Sierra Leonian
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Kelfala Marah, Koidu Town, Sierra Leone, Sierra Leonian