Anchor: In 1470 Mehmet the Conqueror further strengthened the ancient portal by building three towers of his own, linked by curtain walls to the four Byzantine towers flanking the Golden Gate.
Entailed: The portal was reinforced by three towers built by Mehmet.
Contradiction: The portal was removed and replaced with three towers.
Contradiction: The man is not preparing food
Contradiction: an operator digs in a river
Contradiction: Fruit is so sour!
Contradiction: I wanted to see it two weeks ago but I went home instead and it wasn't playing there.