Anchor: it it still took a few hours even with the riding mower
Entailed: The riding mower made it take a few hours.
Contradiction: The riding mower is the slowest way to do it.
Contradiction: The man is in the arcade.
Contradiction: The president saw a quality in Lico, even though he did not look for this.
Contradiction: The GOP decided not to set a target for domestic spending. 
Contradiction: The bench has two people sitting on it