Anchor: Researchers compared farm worker data from United Farm Workers with that from the California Cancer Registry.
Entailed: Farm worker data was compared between two sources. 
Contradiction: Farm worker data was compared between sixteen sources. 
Contradiction: Scotland was under Cromwell's command for only 5 years. 
Contradiction: A guy is examining a small plant.
Contradiction: The Kramenin didn't publish anything concerning the man.
Contradiction: A dog is walking behind a woman