Please choose the correct ending to complete the given sentence: Health: [header] How to get rid of morning breath [title] Brush your teeth often. [step] You should brush your teeth in the morning and right before bed, as well as after every meal. Use a soft bristled toothbrush and fluoride toothpaste and brush for two minutes.

Ending1: [substeps] It may be a good idea to invest in an electric toothbrush, as these are more effective than manual brushes at removing plaque and bacteria. In addition, most have timers that will help make sure you brush for the recommended two minutes. Ending2: [substeps] Brush your teeth after you eat, before you go to sleep, and after any activity you do before bed. This will help you keep your breath fresh. Ending3: Brush or brush in the shower and on a regular basis. The more you brush and the more you brush, the faster the morning breath growth will happen and the longer the morning breath will grow. Ending4: To brush your teeth more effectively, tap or buzz with a soft-bristled toothbrush, making sure your toothbrush is soft but not poking or splitting. [title] Exfoliate your lips as you sleep.

Answer format: ending1/ending2/ending3/ending4