Please choose the correct ending to complete the given sentence: Sports and Fitness: [header] How to water ski on two skis [title] Wear a life vest. [step] A proper personal flotation device should be a jacket or vest that covers the chest, stomach and back. The life vest must be properly fitted so that it does not slip up on the body when falling.

Ending1: The vest should also be sticky enough that it won't fall off on a sidewalk, or on cushions. You need to be prepared for keeping the vest on even during a snowy winter. Ending2: Here's where you can purchase a properly fitted life vest : [substeps] When buying a life vest, search for one near you. Read up on regulations about water skiing without a helmet. Ending3: [substeps] It should fit snugly but not be uncomfortable. Be sure to check the manufacturer's label for weight limits and sizing information. Ending4: Anything that does not fit over your torso (no sleeves, no compression straps, etc. ) will be used as a safety vest.

Answer format: ending1/ending2/ending3/ending4