<human>: Here is a goal: How to remove stains from teeth

How would you accomplish this goal?

OPTIONS:
- Mix 1 tablespoon of baking soda with 2 tablespoons of water to make a past, brush teeth a few times a week with this paste.
- Mix 1 tablespoon of baking soda with 2 tablespoons of hydrogen peroxide to make a past, brush teeth a few times a week with this paste.
<bot>: Mix 1 tablespoon of baking soda with 2 tablespoons of hydrogen peroxide to make a past, brush teeth a few times a week with this paste.