Anchor: Four powerboats racing across the sea.
Entailed: The powerboats are racing
Contradiction: The boats are sleeping.
Contradiction: Is that a joke?
Contradiction: Soon after, the taxi was heading back to Holyhead.
Contradiction: Nobody can help you launch a planning initiative of your own.
Contradiction: British forces took on Napoleon's troops in the Peninsular War in Spain, in the early 1800's.