Anchor: Laboratory and field experiments have shown reductions in yields for agronomic crops exposed to ozone, including vegetables.
Entailed: Experiments show reductions in crop yields when they're exposed to ozone.
Contradiction: Experiments show vast improvements in crop yields when they are exposed to ozone.
Contradiction: Poirot told the others to go into the kitchen and sit on the floor.
Contradiction: Trent Lott, the Republican from Mississippi, is the Majority Leader of the Senate.
Contradiction: I can't believe that you've never been on a jury. 
Contradiction: A man is grabbing for a blue house.