Please choose the correct ending to complete the given sentence: Sports and Fitness: [header] How to do a roundoff back tuck [title] Get a good run. [step] 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.

Ending1: Lift you arms up as you hop with your right foot. Make sure you are running on your toes and are not flat-footed. Ending2: 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. Ending3: 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. Ending4: 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.

Answer format: ending1/ending2/ending3/ending4