sentence: A woman with short hair in a blue shirt is standing with a ping pong paddle at one end of a ping pong table. sentence:  She explains that she is going to show how to put a spin on the ball, and a yellow ball is shown hitting the table in a spin. sentence:  She then is shown holding two balls and the paddle, she hits one and and then gets another from the bin on the right. sentence:  Then she proceeds to demonstrate over and over how to hit the ball correctly to get the spin on it.