Video prompt: roup of young people playing a piano together, with one of them playing a melody on the ivory keys of a piano. They are enjoying the music and having fun together, creating a joyful and uplifting atmosphere in the scene."
Defect: Deformation (any reason involved with a movement)
Explanation: As the person plays the piano, their hands appear unusually stiff and become blurred. This lack of fluidity and clarity gives an unnatural, rigid look to their hands, detracting from the expected smoothness and precision of playing.