Anchor: A spotted dog, a black dog, and a puppy converging on a tennis ball.
Entailed: Three animals are approaching a spherical object.
Contradiction: The trio of canines are eating.
Contradiction: A man in a bucket crane fell out to the ground.
Contradiction: The shape of the function above the threshold would probably change if the threshold existed.
Contradiction: The waiter is sitting at the bar.
Contradiction: There is a lot of plane traffic.