Anchor: It was raised to honor Emperor Diocletian, not the Roman general that now gives it its name.
Entailed:  It was raised to honor Emperor Diocletian
Contradiction: The Emperor Diocletian  is still alive and well today.
Contradiction: It was not raised in honor, but out of disgrace of the people.
Contradiction: It took several operations to blow into shape the sky shell and world supports.
Contradiction: An old man is sitting outside.
Contradiction: the anchor was white but the boat was red