Please choose the correct ending to complete the given sentence: Sports and Fitness: [header] How to become an olympian [title] Assess your physical fitness. [step] It's easy to look at the olympians on tv and think, " i could do that! " well, if you're reading this with a bag of chips in your lap and a soda bottle at your side, you may want to think again. This is serious stuff.

Ending1: People dedicate years of their life to reach the olympics. Are you willing to do the same? [substeps] That being said, different olympic sports require different types of fitness, flexibility, and skill. Ending2: Until you think you have strength, you could have trouble reaching targets and good moves. Luckily, athletes are still well trained and may be able to do them well. Ending3: The difference between being athletic and being a cheat is you need to work out. [substeps] Just as high intensity exercises can reinforce the muscles in your arms, so are high intensity exercises. Ending4: Many of the olympians in our generation had crushes in freshmen or are just down a low school diploma. Finish the metabolic equation to figure out how you can do this.

Answer format: ending1/ending2/ending3/ending4