Anchor: That strategic advantage is no less important today than it was 2,500 years ago, when a band of Greeks first founded the city of Byzantium on this very spot.
Entailed: Byzantium was founded by Greeks.
Contradiction: 1500 years ago Byzantium was founded by Greeks.
Contradiction: The train is out of service.
Contradiction: Nerve damage is one of the chronic health problems that are connected to pesticide exposure.
Contradiction: The beachside buildings which can be seen by peeking over the cannon parapet are in excellent condition. 
Contradiction: Governments can make people thrive.