Anchor: A singer in a black shirt is playing in a band.
Entailed: The singer in the band is wearing black.
Contradiction: The drummer is wearing pink.
Contradiction: Postage is part of the productive hourly rate.
Contradiction: The teenager is on a mountain bike.
Contradiction: They all stayed in the room and Poirot told me to stay where I was.
Contradiction: The man is near a sign.