Anchor: Two boys and two girls strapped into a ride.
Entailed: The people are on a ride.
Contradiction: The two boys and girls are laying in a field.
Contradiction: two women in bikinis are sitting on a boat preparing to waterski.
Contradiction: The primary responsibilities for dwindling number of local candidates are population growth and an increase in crime. 
Contradiction: The President never talked about having a son with Monica.
Contradiction: A boy is riding a zip line.