Please choose the correct ending to complete the given sentence: Sports and Fitness: [header] How to do a standing catleap [title] Make sure that you have a good solid takeoff point for practicing this move. [step] If something slips while you are jumping it can lead to a painful collision with the wall. [title] Crouch down slightly.

Ending1: [step] Rest your hands on the floor in front of you. Point your feet toward the ceiling; perpendicular to the wall. Ending2: [step] While on an ollie, you should squat down with your legs straight and your feet shoulder-width apart. Both of your feet should be close but not nearly touching each other. Ending3: [step] If you crouch too much you will lose all your force while jumping. Focus your eyes in the direction you are going. Ending4: [step] As you crouch down make sure that your legs are fully extended with a straight back. [substeps] Your feet should land above your head.

Answer format: ending1/ending2/ending3/ending4