Please choose the correct ending to complete the given sentence: Sports and Fitness: [header] How to stay safe when using a trampoline [title] Place your trampoline in a flat, open area. [step] The ideal location for your trampoline is one out in the open, away from any trees or objects that you might hit while jumping. You also should keep the ground clear for several feet around the trampoline.

Ending1: You want the trampoline loose, and less risk for falls. [substeps] Make sure your trampoline is free of obstacles, like illegal skateboards. Ending2: It helps to line the trampoline away from trees and other obstacles. [substeps] Outdoor trampolines have soundproof circuits so they won't sound if someone jumps on you. Ending3: [substeps] Removing any objects within 8 feet (2.4 m) of the trampoline in all directions. The ground under and around the trampoline should be as level as possible to keep people from jumping too high or causing the trampoline itself to flip over. Ending4: [substeps] Additionally, it's recommended that you write a or two of a cold candy or a hot sauce on the trampoline during accidents. If your trampoline does spill, have a bowl or bucket nearby so that you can quickly collect the pieces.

Answer format: ending1/ending2/ending3/ending4