Anchor: A dog running down a snow covered hill
Entailed: A dog running.
Contradiction: A dog running up an ice covered hill.
Contradiction: The government is not among the groups that could be responsible for change.
Contradiction: This tipe of household declined between 1972 and 1998, according to a study of the University of Chicago.
Contradiction: He should have been trying to slit her throat. 
Contradiction: A group of people from the military walking.