Anchor: Students wait before class.
Entailed: The students are waiting.
Contradiction: The students are waiting to go home.
Contradiction: People looking bored on the sidewalk.
Contradiction: In a study of 1990 it has been found out that a vast majority of tender offers resulted in the target being absorbed by one firm or another.
Contradiction: The woman hiked down the mountain.
Contradiction: People sitting and working.