Anchor: A brown and white dog plays with a soccer ball on snowy ground.
Entailed: A dog is outside in the snow.
Contradiction: A dog is inside the the house looking out of the window.
Contradiction: This was a horrible conversation. 
Contradiction: People walk on the street.
Contradiction: a man is swimmin in the ocean
Contradiction: When the meat place doesn't have chicken, you can just go somewhere else.