Anchor: Mars has fallen.
Entailed: Something has happened to Mars. 
Contradiction: Today was an uneventful day on Mars. 
Contradiction: The fronds of the trunkless nipa palm are unsuitable for roofing.
Contradiction: The maze of stairs, hallways, and open areas led from one room to another of the royal household.
Contradiction: A woman in black changes the oil in her car.
Contradiction: There was more evidence later.