Anchor: A man has fallen asleep with his mouth open.
Entailed: The man is sleeping.
Contradiction: The man does not have a mouth.
Contradiction: We could not get a Visa card from the credit union at all.  
Contradiction: We generally didn't have dinner at my place, but this time we were.
Contradiction: An old scarfed lady is walking  alone.
Contradiction: I always spend more than I intended at Walmart, I never seem to stick to the list.