Anchor: a brown dog is leaping into the air to catch a ball.
Entailed: There is a dog outside.
Contradiction: The brown dog is napping in the grass.
Contradiction: "Everything," I said with exuberance. 
Contradiction: A man paints a slogan in the road.
Contradiction: A little boy climbs a tree while a little girl puts rocks in a Mickey Mouse bucket.
Contradiction: It's not unusual to measure a household's debt burden by the ratio of total debt payments to total income.