Please choose the correct ending to complete the given sentence: Sports and Fitness: [header] How to do water aerobics [title] Get a chlorine resistant bathing suit. [step] Water aerobic classes are usually about an hour, so you want to make sure you have a suit that can deal with hour long classes a few times a week. [substeps] You can wear a one or a two-piece suit, but a one piece is probably more comfortable.

Ending1: Workout in a gym or the pool for about 30 minutes. Take a rock laminate or fiberglass workout suit for safety reasons. Ending2: Some gyms might require that you wear a one piece. If you're taking water aerobic classes at a gym, make sure you find out. Ending3: Ensure the material of the suit is light as out of necessity as possible. [title] Lay down in the pool's hot water. Ending4: Don't wear sweat shorts or something with legs, as they may not absorb enough water from your body to function properly. Make sure you have comfortable floor skimming underwear in order to prevent skin irritation.

Answer format: ending1/ending2/ending3/ending4