Anchor: A young volleyball player holds the ball above her head.
Entailed: Someone is holding a ball over her head.
Contradiction: A girl is holding a basketball.
Contradiction: The grandmother is poishing her fine china.
Contradiction: Coercing poor women to get Norplant implants would violate their rights to reproductive choice.  
Contradiction: The tennis player is at the bowling alley.
Contradiction: A father helps his daughter at a swimming pool.