XYZ Company as a Manager for XYZ Company, You Are Assigned to Assigned

XYZ Company
As a manager for XYZ Company, you are assigned to resolve a conflict between two departments of your organization, Department A and Department B.Both parties have equal power.Both the parties are under time pressure to resolve the conflict.You also realize that the parties lack trust/openness for problem solving.
If instead of equal power, the Department A had considerably more power than Department B, what would Department B's best conflict resolution style be?

A) Forcing
B) Yielding
C) Avoiding
D) Compromising
E) Problem-solving