Anchor: A little boy is playing with a skateboard.
Entailed: A boy practicing skating.
Contradiction: A boy riding a bike.
Contradiction: There is a little girl playing.
Contradiction: A basketball player in a white, number 23 jersey is sitting by the side of the court.
Contradiction: The Hale-Bopp comet can be seen for the next month.
Contradiction: Pushkin writes Chinese novels.