Text: This can be done through worksharing discounts or contracts and is especially effective when mailers can do the work in a different way than the Postal Service.
Entailment: This can be done through worksharing discounts or contracts and is especially effective when mailers can do the work in a different way than the Postal Service.
Contradiction: This can't be done through worksharing discounts or contracts and is especially effective when mailers can do the work in a different way than the Postal Service.