Premise: John Cena . Industry veterans John Layfield , Paul Heyman , and Kurt Angle have called Cena the greatest WWE star of all time . Throughout his WWE career , Cena has won 25 championships , with 16 reigns as a world champion ( 13 times as WWE Champion and three times as WWE 's World Heavyweight Champion ) , an accomplishment only previously achieved by WWE Hall of Famer Ric Flair .
Hypothesis: John Cena is a professional writer only.
Label: CONTRADICTION