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Artie Enlow Smith ( born May 15 , 1970 in Stillwater , Oklahoma ) is a former professional American football player who played defensive end for five seasons for the Cincinnati Bengals , the San Francisco 49ers , and the Dallas Cowboys .
 Artie, Stillwater , Oklahoma, Cincinnati Bengals, San Francisco 49ers, Dallas Cowboys
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Artie, Stillwater , Oklahoma, Cincinnati Bengals, San Francisco 49ers, Dallas Cowboys