Anchor: There are kids playing while adults are sitting on a bench.
Entailed: Kids play while adults sit.
Contradiction: A group of children does school work in a house.
Contradiction: There were never any bars and clubs in the area.  
Contradiction: There is one person in this picture, and they are outside.
Contradiction: The high school swim team was preparing for a meet.
Contradiction: There is a lot of plane traffic.