Anchor: A skier is going down a snowy slope with a bank of trees ahead of him.
Entailed: Someone is skiing
Contradiction: The skier is at the beach
Contradiction: Congress will not approve any changes, but they don't need to anyway, as no changes are scheduled to be made. 
Contradiction: Your location determines the nighttime entertainment options available.
Contradiction: A snowboarder is riding a ski lift.
Contradiction: Aiding in the strengthening of state planning bodies was one of the tasks the LSC undertook in 2002.