Anchor: Maybe it's true that we're the only members of the big brain club, but I'll lay my bets with ET.
Entailed: They may be the only members of the big brain club.
Contradiction: They are not the only members of the big brain club.
Contradiction: Two kids color on the wall of their house.
Contradiction: White got on the train in hopes of getting Lincoln.
Contradiction: Those questions are new and have never been asked before.  
Contradiction: One girl hugs another.