Video prompt: She carefully picks up a ceramic mug, its surface adorned with intricate patterns, and holds it firmly in one hand. With the other hand, she grips a sleek, slightly worn kitchen knife. The morning light glints off the blade as she expertly runs it along the rough edge of the mug, creating a rhythmic, scraping sound. Her movements are precise and practiced, a testament to years of honing her culinary skills. The kitchen is alive with the soft hum of a radio playing a cheerful tune in the background, and a gentle breeze wafts through the open window, rustling the pages of a cookbook lying nearby. As she finishes sharpening, she tests the blade's edge with her thumb, nods in satisfaction, and places the knife down beside a pile of vibrant vegetables waiting to be chopped.
Defect: Deformation (when Object is involved in an act,  anything in this process that's weird. e.g. people walk into a wall. "Walk" is an act)
Explanation: Knife repeats cutting through a real cup