Please choose the correct ending to complete the given sentence: Education and Communications: [header] How to be healthier with minimal effort [title] When you brush your teeth, stand on one foot. [step] It is like yoga. This will increase your body balance.

Ending1: [title] Brush between your fingers to reveal your teeth. [step] When doing this move allows you to evaluate your teeth better. Ending2: [title] Add avocados to your diet. [step] Avocados contain the best healthy fat. Ending3: Hold the brush so that your face is tilted towards the camera, while brushing your gums. Hold the brush horizontally, and move your upper lip up and down along your gums. Ending4: Hold the brush so that it is resting against your knee. Don't lean so far forward that you overbalance.

Answer format: ending1/ending2/ending3/ending4