premise: Similarly, 3 truckloads of mail weighing 3 ounces per piece get the same dropship discount as 1 truckload of mail weighing 1 ounce per piece.
hypothesis: 3 truckloads of mail weighing 3 ounces per piece get the same dropship discount as 2 truckload of mail weighing 0.5 ounce per piece.