Please choose the correct ending to complete the given sentence: Sports and Fitness: [header] How to practice volleyball without a court or other people [title] Find a suitable wall. [step] Most of the exercises in the article involve a wall, so before you begin you should find a flat, high one. [title] Hit against the wall.

Ending1: [step] Stand about ten feet from the wall. Toss the ball up with your left hand, then take a step with your left foot as you hit the ball with your right hand. Ending2: [step] Go to your own wall, lie down and hit the wall. You can also lie on your stomach on your bench, allowing you to train your lower body as well as the back. Ending3: [step] The wall is the core of the whole process, so it's important that it is level before you begin. Hitting the wall (with force) hard enough is very important because it prevents falls. Ending4: [step] There are no rules indicating which surfaces to hit; it is meant to occur in a stylish and flamchable way. Perfectly safe for contact between your body and the wall.

Answer format: ending1/ending2/ending3/ending4