Anchor: My wife and I recently had our second child, a boy.
Entailed: We just had a baby.
Contradiction: We had our fourth baby, a girl.
Contradiction: The man is walking his dog.
Contradiction: A procedure is to be executed to establish criteria for program activities. 
Contradiction: A man wearing a baseball hat is reading a newspaper while sitting beside a hotdog stand near a construction zone.
Contradiction: A Snowboarder doing a trick