Anchor: The brown greyhound dog walks on green grass and looks through a fence.
Entailed: A greyhound dog is walking on grass looking through a fence.
Contradiction: The dog is indoors.
Contradiction: Drew accidentally told his father about his new girlfriend, Rose. 
Contradiction: National savings can cause an economy to perform poorly.
Contradiction: I think this advice would be good for selecting which Church to attend. 
Contradiction: Some nonexchange claims cannot be counted as assessments because no person or entity can be identified to pay the claim.