Anchor: a black dog swimming through a pool.
Entailed: the black dog is swimming in the pool
Contradiction: the black dog is sleeping on the couch
Contradiction: The federal program requires all monitorees stay in their houses at all times.
Contradiction: There is a basketball team.
Contradiction: The man is driving a car.
Contradiction: The children go to places and help clean up, and also help those who can not shovel their snow in the winter.