Anchor: Increasingly, hospitals use cross coverage, in which a fresh resident covers patients for several other residents at night.
Entailed: Hospitals use cross coverage where people look out for each other 
Contradiction: Hospitals only have nurses watch patients 
Contradiction: A lone bike passes over a bridge.
Contradiction: Two people are next to each other.
Contradiction: She carefully noted how to skirt around the safeguards in order to complete her assignment.
Contradiction: Two men are playing frisbee.