Anchor: A man with a backpack on is waited on at a deli counter by a clerk with a black hat.
Entailed: The man has a backpack.
Contradiction: The man is at a zoo.
Contradiction: The boy is doing homework.
Contradiction: Two men stand near a bubble tea stand.
Contradiction: SO2 emissions won't have to be reduced at all even though NOx emissions will have to be reduced.
Contradiction: Black people are posing