Anchor: A fit beach volleyball player is preparing for a bump.
Entailed: The girl is playing volleyball on the beach.
Contradiction: The man is swimming in the ocean.
Contradiction: The man fell through the roof of the house.
Contradiction: Congressman Tony Hall believes that deep cuts in family planning sometimes hurts the people we are trying to help.  
Contradiction: The administrators held no power, they only possessed guest accounts.
Contradiction: A person riding his bike in a race.