Anchor: Boys on a motor-scooter riding down a busy urban street.
Entailed: The boys are riding.
Contradiction: The girls are walking.
Contradiction: This is a bait shop; we don't serve humans here.
Contradiction: Girls in a gym dance in front of an adidas sign.
Contradiction: It seems like there has been no progress on things like female medications. 
Contradiction: A truck responds to a call.