Anchor: Much of the rugged windward coast is accessible only by boat.
Entailed: Most of the coast can only be reached with a boat.  
Contradiction: You can easily reach most of the coast without a boat.  
Contradiction: A young woman is lying on her back, exhausted.
Contradiction: The woman in a costume has a purse.
Contradiction: He was walking in the same direction very aggressively.
Contradiction: A car on the road.