Text: Postal Service's long-standing challenges in labor-management relations illustrate the importance of having a shared set of long-term goals and strategies agreed upon by managers, employees, and unions.
Entailment: Postal Service's long-standing challenges in labor-management relations illustrate the importance of having a shared set of long-term goals.
Contradiction: Postal Service's long-standing challenges in labor-management relations illustrate the importance of not having a shared set of long-term goals.