Anchor: A black and white dog is drooling whilst walking on the grass.
Entailed: Someone's pet is going for a walk and drooling.
Contradiction: A dog is urinating on the grass as it goes for a walk.
Contradiction: The only way a responsibility center can be measured is as a cost center.
Contradiction: Workers are wearing protective helmets.
Contradiction: We can't all be ugly and stupid. 
Contradiction: People in a room should be working on a project but they decided to have lunch