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Barakat Mubarak Al-Harthi ( born 15 June 1988 ) is an Oman i sprinter who specializes in the 100 metres .
 Barakat, Al-Harthi, Oman
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Barakat, Al-Harthi, Oman