The performers randomly turn to on stage audience volunteers (the Pillars) and signal them for an offer to be incorporated into the scene. Regardless of the content of the offers the performers should strive to keep a narrative arc.
Shopping list is a handle where the performers are kept nimble by having to incorporate offers from the audience throughout the scene. The goal of the performers is to continue the narrative arc of the scene. Most offers will be helpful to the narrative, others will be zany and destructive.
The performers are given a list of zany items that they must incorporate into their scene. The majority of the items will be things that they must shop for. Other offers may be incorporated into the scene along the lines of Options.