Anchor: The leptin breakthrough spurred efforts to manipulate the brain's hunger centers.
Entailed: Efforts to manipulate the brain's hunger centers have been spurred. 
Contradiction: There have never been any efforts to manipulate the brain's hunger centers.
Contradiction: The van was destroyed in the accident.
Contradiction: She planned to plead with Mr. Carter to find Tommy.
Contradiction: What a joke!
Contradiction: The Water and Fire fountain has tourist appeal.