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Ben Slimane Airport is an airport serving Ben Slimane , a town in the Chaouia-Ouardigha region in Morocco .
 Ben Slimane, Ben Slimane, Chaouia-Ouardigha, Morocco
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Ben Slimane, Ben Slimane, Chaouia-Ouardigha, Morocco