Anchor: Anybody up for seafood?
Entailed: Is anyone feeling like seafood?
Contradiction: Who cares if you're up for seafood? 
Contradiction: A dog is asleep on a girl's lap.
Contradiction: The boy is younger than the woman.
Contradiction: He said that there was nothing he wouldn't give up for those two little girls.
Contradiction: Software can be used to monitor control effectiveness and information systems activity.