Anchor: A dog is playing catch on the grassy plain
Entailed: A dog is playing outside.
Contradiction: A dog is playing by himself indoors.
Contradiction: Kittens are playing with a ball.
Contradiction: A young person chews on a piece of candy.
Contradiction: The main focus of the study was the exploration of how no federal agencies would even try to address the problems. 
Contradiction: There is a street with many people.