Anchor: On the other hand, if buyers at online auctions are persistently disappointed, it's possible that after a while they'll stop bidding.
Entailed: Online auction buyers will eventually stop bidding if they're constantly disappointed.
Contradiction: Buyers are more likely to continue bidding after being disappointed consistently.
Contradiction: He was not a Stanford professor.
Contradiction: I have a Dachshund that is about twelve years old.  
Contradiction: A drunk stumbles into the pool table at the bar.
Contradiction: Women are sitting a table.