Make a video of 8 second in which a girl hand holding a knife and a realistic looking adidas cap cake is on the wooden table as soon as the knife touching the cap the video stops and a transparent timer come of 3 second with clock ticking voice and a girl voice in background asking "is it cake or fake" and after 3 second timer the video starts and it cuts the cap cake into a piece and shows it is a cake and girl voice in background says " it's a cake "