Video prompt: A riverboat journey down the Mississippi, where storytelling guides share legends of river life, amidst the gentle cadence of water beneath the hull.
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: The jittery, shaking deformations disrupt the expected stable structure of the ship and people.