Anchor: A biker is attempting to fix his bike in a mountainous area.
Entailed: A biker is in a mountainous area.
Contradiction: Bikers are racing across a desert.
Contradiction: We would not like to exercise on a routine basis.
Contradiction: The race does not lead anywhere, but there is nowhere to go.
Contradiction: Bill Clinton has stayed alive for three years by clinging to those entitlements.
Contradiction: Young boys playing.