This is a test of commonsense with single/multi-choices. Complete the next sentence:

How to maximize your bodybuilding workout
Hydrate yourself.
You should drink a minimum of two glasses of water (about 16 ounces) prior to your workout as well as throughout. You will know if you are properly hydrated by the color of your urine (darker means improperly hydrated).

1). Don't drink when you're exercising. You just have to be moving and exercising.. 2). If you don't properly hydrate yourself before and during your workout, you will get dehydrated and the result can be a less effective workout-studies show that performance can decrease up to 15-20 %. Don't risk it-get and stay hydrated.. 3). Drink plenty of water right before you start and afterwards. Be careful not to get overly hydrated in the days after your workout.. 4). Do the splits on a treadmill. In this exercise, you lie on the floor in a seated position with your legs extended and your feet placed firmly on the floor..
The answer is:
2).