Anchor: A few choice shell-shots would send them into quick retreat.
Entailed: It wouldn't take many shots for them to retreat. 
Contradiction: They would not retreat under any circumstances. 
Contradiction: The candidates debated whether or not the school should be shut down. 
Contradiction: It is just under Hot Springs.
Contradiction: The dog and cat prepared the food on the table by following instructions on the package.
Contradiction: A boy rides a bike.