Anchor: Someday I'll be able to play this instrument as well as my musical heroes.
Entailed: There is a musical instrument.
Contradiction: A small black bicycle shaped like a guitar is tied to the roof of the car.
Contradiction: It is cloudy outside.
Contradiction: He was learning how to do it.
Contradiction: A woman is drinking tea in a hoity-toity cafe.
Contradiction: It was hewn into the cliff-side of the Nile valley rather than being built from stone.