Anchor: Two people on cellphones walk down the sidewalk while a vendor stands there and a man is eating.
Entailed: Two people are on the phone walking down the sidewalk.
Contradiction: The children go up the elevator alone.
Contradiction: Nobody is walking.
Contradiction: There weren't any vendors on the street
Contradiction: A cat kills a bird and eats it in one bite.
Contradiction: The vendor is sitting on a stool.