Who invented Gridiron football?
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American football is the sport played by American football players.
American football is the sport played by the American football player .
Who invented Gridiron football?</s>American football is the sport played by [unused1]American football player                [unused2] s.
Who invented Gridiron football?</s>American football is the sport played by American football players.
Who invented Gridiron football?</s>American football is the sport played by the [unused1]American football player                [unused2] .
Who invented Gridiron football?</s>American football is the sport played by the American football player .
Who invented Gridiron football?</s>American football,0,American football,American football,practiced by,[unused1]American football player[unused2],[unused1]American football player[unused2],field of this occupation,American football,[unused1]American football player[unused2],0,[unused1]American football player[unused2]
Who invented Gridiron football?</s>American football,0,American football,American football,practiced by,American football player,American football player,field of this occupation,American football,American football player,0,American football player