What is the most logical next event?

He re-wets the surface and uses a flat tool to remove any stubborn wall paper. He finally uses a sponge and soap water to clean the wall to remove any residual wall paper. he

Available options: [-] then uses a cleaning solution to smooth down the layer and shows the finished repair.; [-] then uses a knife to cut off any remaining wall paper.; [-] then uses a toothbrush to stain the underside of the wall paper before wiping it off.; [-] shows how to apply primer to prep the wall for painting.;
shows how to apply primer to prep the wall for painting.