Anchor: a surfer is riding his board over a wave.
Entailed: A surfer rides his board on a wave.
Contradiction: While riding his bike, a man spots a dog running in a field.
Contradiction: It is now not a lab.
Contradiction: One does concede that we have always been a moral minority.
Contradiction: We've got one thousand lawyers for every thirty thousand poor people.
Contradiction: If the loan isn't repaid it doesn't affect gains, revenue or other forms of financing.