Anchor:  Of course, we'll only need to worry about issues of fairness and privacy if banner ads are seen by political campaigns as working.
Entailed: Privacy and fairness are potential areas of concern.
Contradiction: Banner ads can not possibly be unfair.
Contradiction: The fingers' movements have nothing to do with the brain. 
Contradiction: The Beauty of Buttermere rests nearby.
Contradiction: I hate her because there is strong evidence she is my daughter
Contradiction: Cricket is a common language amongst every dialect.