Anchor: Despite Adams' relatively unremarkable presidency, however, he rebounded as no other ex-president ever has.
Entailed: Adam was a president.
Contradiction: Adams had a remarkable presidency. 
Contradiction: Football team posing for a picture.
Contradiction: A boy is sitting on a sleigh by himself.
Contradiction: A man is showing a friend a knife he made in his shop
Contradiction: A dog is getting exercise