Text: If the postal service charges only a 1,000-mile rate, with no distance differentials and no associated drop-ship discounts, the postal service will be at a disadvantage and may not be competing effectively.
Entailment: If the postal services charges for 1000 miles, the postal service will be at a disadvantage.
Contradiction: If the postal services charges for 1000 miles, the postal service will be at an advantage.