Anchor: Bill Gates realized it would be more efficient if all computers, regardless of manufacturer, ran the same system (which is why he's the richest man in America today).
Entailed: Bill gates is the richest man in America.
Contradiction: Bill gates wanted all operating systems to be unique.
Contradiction: Three girls sat on the beach.
Contradiction: The lights were pink during the band play session.
Contradiction: You should worry if you get a film at the bottom of the pot.
Contradiction: That's right but they've already cleared out.