Finish the following sentence with the best choice: Remove coffee and tea stains from inside of cups.

Choices:
- Sometimes scrubbing tea cups and mugs doesn't remove all the stains. Take a bit of baking soda on a damp cloth and apply to the outside of the cup. Rub gently, and the stains will disappear very quickly.
- Sometimes scrubbing tea cups and mugs doesn't remove all the stains. Take a bit of baking soda on a damp cloth and apply to the insides of the cup. Rub gently, and the stains will disappear very quickly.

Answer:
Sometimes scrubbing tea cups and mugs doesn't remove all the stains. Take a bit of baking soda on a damp cloth and apply to the insides of the cup. Rub gently, and the stains will disappear very quickly.