Please choose the correct ending to complete the given sentence: Sports and Fitness: [header] How to get started in diving [title] Start at the edge of the pool. [step] There's no need to start from a diving board, or even a raised stand. Just stand at the edge of the pool's deep end.

Ending1: Balance on one foot and two feet and float with arms outstretched, letting the water drag you and your hands lead them. [title] Breathe from your diaphragm. Ending2: The back wall will likely be the tallest part of the pool. You'll stretch up the wall, and then stand under it to land. Ending3: Always dive from the end of the pool, not the sides. [substeps] It's tempting to start while standing in water, but resist this urge. Ending4: Once you get into position, you need to jump into the pool. [substeps] Don't see a ladder, just jump in! [title] Get into the water.

Answer format: ending1/ending2/ending3/ending4