Anchor: They roll north as the air cools and then the torrent rakes the northern trail for two months.
Entailed: The cooling air followed them as they headed towards their destination.
Contradiction: They were lost but comforted by the warm soothing air. 
Contradiction: the rider is at home snoring
Contradiction: A man is outside.
Contradiction: The man is painting the wall red.
Contradiction: A girl is outside.