sentence: A tubing advertisement is on the screen. sentence:   Tubers are going down the river. sentence:  West Virginia advertisement is on the screen. sentence:   A tuber goes under a plank with a dog on it. sentence:   The camera is pointed towards the sky and trees. sentence:   One tuber runs into branches, one stands up and falls over. sentence:   the cameraman turns circles in his tube then has a snack. sentence:  One guy gets his head tangled in branches. sentence:   The video ends with advertisements.