Anchor: Two girls lay stomach-down in the grass while sharing headphones to an mp3 player.
Entailed: Two girls listen to an mp3 player together.
Contradiction: Two girls sit together in silence.
Contradiction: A woman with noise-cancelling headphones in a black t-shirt is using a chainsaw to sculpt a bird out of a tree stump.
Contradiction: They were traveling through the mines.
Contradiction: The spectators left immediately. 
Contradiction: Am I your cousin?