Anchor: People at a dock receiving and shipping out merchandise near a nice big white boat.
Entailed: People at a dock are near a boat.
Contradiction: People are at a dock waiting to board a nice big white boat for a cruise.
Contradiction: It gave you and your sister something to think about.
Contradiction: The women were at the amusment park.
Contradiction: Some kids are studying in the library.
Contradiction: A man is saluting.