"Arbitration.HortonAutomaticsandtheIndustrialDivi-sionoftheCommunicationsWorkersofAmericatheunionthatrepresentedHorton'sworkersnegotiatedacollectivebargaining agreement. If an employee's discharge for a work-place-rule violation was submitted to arbitration, the agreement limited the arbitrator to determining whether the rule was rea-sonable and whether the employee had violated it. When Horton discharged its employee Ruben de la Garza, the union appealed to arbitration. The arbitrator found that de la Garza had violated a reasonable safety rule, but "was not totally convinced" that Horton should have treated the violation more seriously than other rule violations. The arbitrator ordered de la Garza rein-stated to his job. Can a court set aside this order from the arbi-trator?Explain."