Anchor: less than half of all eligible voters participate in national elections
Entailed: A majority of eligible voters don't vote in national elections. 
Contradiction: 99% of eligible voters vote in national elections. 
Contradiction: The PEMD did not make any review.
Contradiction: I do like my credit cards.
Contradiction: No, no. You will not have to upgrade your browser.
Contradiction: The rollerblades are by a railing.