During a Meeting to Resolve Staffing Issues and Tardiness on a Unit

During a meeting to resolve staffing issues and tardiness on a unit, the manager invites the staff to each take a turn speaking and asks that everyone listen respectfully and avoid making personal or professional disparaging remarks about one another.Which step in the negotiation process does this best describe?

A) Set ground rules.
B) Clarify the problem.
C) Perform an opening move.
D) Continue the negotiation.