Anchor: Boy getting helped onto a merry-go-round.
Entailed: A boy is going onto a merry-go-round.
Contradiction: A boy is riding a donkey.
Contradiction: We do not use contractors to maintain communication mechanisms.
Contradiction: You have to do it spontaneously. 
Contradiction: The student is sitting on the table waiting for his girl.
Contradiction: That happened to be lucky.