Multi-select problem: How does the next paragraph end?

How to practice catching a lacrosse ball
Make sure that there are no other people around that aren't paying attention.
( they could get a concussion if they are hit in the head). Make sure that there are no cars around, or any windows that could get hit by the ball.

Pick your answer from: I. Also, make sure that there is a good distance from the ground that you are jumping to. If you are up in the air, make sure to stand up immediately on a level surface.; II. Set up the ball drop and make sure it's safe. Take your gloves off, and catch the ball with both hands.; III. Hold out your arm when the ball is thrown. If it's pouring, hit it behind the leg.; IV. Have the ball in your crosse (the net of the stick). Start by throwing the ball from your crosse at a brick wall, pitch back, or some other type of surface that will send the ball back to you.;
IV.