<human>: Which of the following solutions is better for the following goal:
How do you prevent your teeth from getting stained?

OPTIONS:
- Rinse your mouth with water within half an hour of eating or drinking these stain-causing foods and drinks, giving them less time to do their damage. Brushing your teeth: Brushing your teeth soon after eating is the best way to prevent discoloration from foods and drinks.
- Rinse your mouth with water within half an hour of eating or drinking these stain-causing foods and drinks, giving them less time to do their damage. Brushing your teeth: Brushing your teeth long after eating is the best way to prevent discoloration from foods and drinks.
<bot>: Rinse your mouth with water within half an hour of eating or drinking these stain-causing foods and drinks, giving them less time to do their damage. Brushing your teeth: Brushing your teeth soon after eating is the best way to prevent discoloration from foods and drinks.