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Jevon Dicorious Langford ( born February 16 , 1974 in Washington , D.C. ) is a former professional American football player who played defensive end for six seasons for the Cincinnati Bengals .
 Jevon, Langford, Washington , D.C., Cincinnati Bengals
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Jevon, Langford, Washington , D.C., Cincinnati Bengals