Please choose the correct ending to complete the given sentence: Sports and Fitness: [header] How to swim like the pros [title] Think of a stroke that you would like to improve your technique on. [step] If you can't decide, then just pick a stroke name out of a hat. The main stroke is the front crawl, but many people struggle with butterfly the most.

Ending1: If you can't think of a stroke name, try using a picture of a swimmer you admire who swims a lot. [substeps] Make sure you aren't a major athlete. Ending2: Choosing the correct stroke will give you the outcome that you want. [substeps] If you are what you say you are, then even though people will learn to move around you properly, it's good for you to keep at it and challenge everybody else to keep up. Ending3: Practice swimming until you can float all the way to the edge of the pool, rather than wading through it. [substeps] Don't worry about splashing water everywhere if you're confident in your technique. Ending4: Whichever stroke you choose, however good you are at it at the start, learning the perfect technique for that stroke will help you with all of the others. [title] Watch some videos or read some books about that stroke.

Answer format: ending1/ending2/ending3/ending4