In the first step in resolving a complaint or grievance, $\_\_\_\_\_.$

the departmental steward cannot present a grievance to the supervisor in the absence of the aggrieved employee

the supervisor cannot speak with the employee directly in front of the steward

the supervisor should not listen to an aggrieved employee if the employee presents a grievance in the absence of the steward

the supervisor should listen to the shop steward if the steward does not bring the employee