sentence: There are two men playing ping pong in a basement. sentence:  One of the players is wearing a black shirt and the other is a blue shirt. sentence:  There is a mattress leaning against the basement wall. sentence:  The players continue playing a smooth rally. sentence:  Then the person in black misses the shot. sentence:  They continue playing ping pong for a few more rounds. sentence:  The person in blue hits the ball in the net. sentence:  They continue playing more till the person in blue drops the ball on the ground.