Anchor: A group of people on a dock by a city boarding various boats
Entailed: a group of people are boarding a boat in the city
Contradiction: there are people in the street boarding a train at the train station.
Contradiction: A group of people are at a restaurant.
Contradiction: Captain Ahab has returned and the people are frightened.
Contradiction: The people don't see the boats
Contradiction: The people are not by a dock.