Anchor: A 500 MWe plant uses roughly 25-32 tons per hour of limestone.
Entailed: A500 MWe plant uses 25-32 tons of limestone an hour 
Contradiction: 5 tons of limestone are used an hour
Contradiction: Dogs are hairless and can't be farmed for fur.
Contradiction: A dog is about to catch a ball.
Contradiction: a dog is sleeping on his bed
Contradiction: A man runs a machine that can spread gravel.