Anchor: The yellow dog walks on the beach with a tennis ball in its mouth.
Entailed: There is a dog outdoors
Contradiction: There is a dog running outdoors near a beach
Contradiction: Next to the church are the horrid 10th century cloisters.
Contradiction: I admit that I was fond of her. 
Contradiction: It won't cost any money to implement the changes. 
Contradiction: You cannot understand that.