Original sentence: Having previously been impressed with Westley's skill in outmaneuvering them during their encounter atop the Cliffs of Insanity, Inigo and Fezzik decide that their only chance at penetrating the castle's defenses is by enlisting Westley's assistance
Edited sentence: Having been impressed with Westley's skill in outmaneuvering them during their previous encounter, Inigo and Fezzik decide that their only chance at penetrating the castle's defenses is by enlisting Westley's assistance