Multi-choice problem: Continue writing the next sentence in this paragraph:

How to do a roundoff back tuck
Get a good run.
It is best for you to do a running round off to prepare yourself to do a round off back tuck. Run for a few steps and then hop with your right foot.

Pick from: [I] Lift you arms up as you hop with your right foot. Make sure you are running on your toes and are not flat-footed.; [II] When jumping, get with your right side facing towards the spot to begin. When jumping, get with your right side facing towards the spot to start.; [III] Land on your outside foot and then hop on your inside to try a somersault. With both feet, take a series of dips (or a big kick) in the grass to save momentum and your throwing arm while doing your round off.; [IV] This will help to prepare you for a bounce back tuck. You should also be watching the ball closely to ensure it does not bounce off and land on the side opposite you.;
[I]