Anchor: The dogs are playing with a tennis ball in the yard.
Entailed: There are animals outdoors.
Contradiction: The dogs are sleeping indoors.
Contradiction: A man is going to use his roof as a shield against alien lasers.
Contradiction: A lady is taking a picture.
Contradiction: A band takes a break and signs autographs for their fans.
Contradiction: There was a fight between the nanny and him in the moat.