Gerhart Is Representing a Large Corporation That Is Trying to Put

Gerhart is representing a large corporation that is trying to put a stop to a grievance by Samson resulting from a disciplinary sanction against him for incompetence. Gerhart hopes to make his argument before the arbitration actually commences and end the matter for all times. Which of the following arguments will most likely achieve this end?

A) The issue raised falls within of the scope of the collective agreement.
B) It has recently come to light that Samson stole from the company .
C) Samson was not really demoted.
D) Samson was an incompetent worker.
E) Samson is not, in fact, covered under the collective agreement.