Anchor: The Singapore naval base was left empty.
Entailed: There was no one left at the naval base in Singapore.
Contradiction: The Singapore naval base swarmed with infantrymen. 
Contradiction: There is a zipper on the flower.
Contradiction: Visitors from Britain and Holland have enjoyed spending time there for a long while now.
Contradiction: The girl is asleep.
Contradiction: The guy with the big knife is climbing a tree.