Anchor: A man on a bike nest to a river.
Entailed: A man is on a bike
Contradiction: The man is riding a go kart
Contradiction: Japan was created by volcanic processes, and all myths and gods should be disregarded.
Contradiction: There are weekend hunting forays on the island.
Contradiction: Auctions taking place on the internet will be blighted by the winner's curse.
Contradiction: A man playing an instrument.