Anchor: A girl in her pajamas is sitting on a log swing.
Entailed: A girl is sitting on a swing.
Contradiction: A girl is on the slide.
Contradiction: The people are practicing their golf swings.
Contradiction: Birds swimming in water
Contradiction: We ran down the steps as fast as we could. 
Contradiction: Residents were forbidden to ask for their mail before 11:00 a.m.