Anchor: A child who has just crossed a bridge with his bike.
Entailed: A child crossed an outdoor bridge with his bike.
Contradiction: A child rode in a car across a bridge.
Contradiction: I prepared to speak about this topic specifically. 
Contradiction: Keeping up with that is part of it.
Contradiction: In the late seventies I didn't see that one. 
Contradiction: Two kids acting as pirates.