Anchor: A construction worker is performing a job on a sidewalk.
Entailed: worker works on side walk
Contradiction: worker talking rest
Contradiction: A group of boys are sitting in study hall.
Contradiction: It was kind of annoying. Of course the woman would fall out if they opened the door and she didn't have her seat belt on. 
Contradiction: The dancing and drinking is sleeping them out
Contradiction: Someone is standing outside.