Anchor: The clean up crew is cleaning up the stairwell in order to make sure customer's are safe while using the stairwell.
Entailed: The workers are cleaning the stairs
Contradiction: The people are inside
Contradiction: Premature mortality was a disaster and was a failed idea of the Clear Skies Act.
Contradiction: The mountains are to the west.
Contradiction: I'm should inquire about payment. 
Contradiction: Do we support English-only instruction, or do we support bilingual education?