Anchor: Three young boys are swimming in a body of water near a boat.
Entailed: Three boys swimming near a boat
Contradiction: Three boys have a footrace through a corn field
Contradiction: Two squirrels are sitting on a concrete wall.
Contradiction: The number of out-of-wedlock teenagers giving birth has slightly decreased since 1990. 
Contradiction: A woman is out for a jog.
Contradiction: A woman holding a bike.