When an Arbitrator Is Called in to Hear a Grievance

When an arbitrator is called in to hear a grievance, which of the following will occur?

A) The arbitrator will attempt to get both parties to communicate, but has no power to force a settlement.
B) The arbitrator will offer compromise solutions and either party can choose whether to accept or refuse the solution offered.
C) The arbitrator will meet separately with both parties and negotiate a compromise.
D) The arbitrator will hear both parties and issue a decision which both parties must accept because an arbitrator's decision is binding.