Anchor: The boys are having a night out from homework; some are at the table while two are sleeping.
Entailed: There's at least two kids in the picture.
Contradiction: The boys were sitting around playing video games.
Contradiction: The boys are ravaging a small town.
Contradiction: There are four boys sleeping.
Contradiction: Everyone in the picture is working on homework right now.
Contradiction: Four boys are doing homework.