sentence: We see the blue opening screen. sentence:  A lady is guiding a young lady through an exercise. sentence:  The girl sits down, then gets on one knee and sits back down. sentence:  We see a title screen on beige. sentence:  The lady gets up from the floor slowly with instructions on the screen. sentence:  The lady is sitting on a table and shoes how to sit, and stand slowly holding your abdomen. sentence:  The couple behind the lady laugh.