Anchor: In the 17th century this fort was all there was to the town, but dwellings were gradually built up around it on reclaimed marshland.
Entailed: Dwellings around the fort were built up over time.
Contradiction: In the 16th century this fort was all there was in town.
Contradiction: All of the vice presidential candidates were well mannered. 
Contradiction: a girl is walking to the water.
Contradiction: Bureaucrats don't care if they lose their jobs because they can just become lobbyists.
Contradiction: He came back a few minutes later.