Here is a goal: How can I remove a water stain from an oak table top?

How would you accomplish this goal?

OPTIONS: A). Put some regular tooth paste on a tooth brush, moisten it, then gently rub it into the stain. After a minute, wipe off the tooth paste. The stain will disappear as the wood dries. B). Put some tooth paste on a tooth brush, moisten it, then gently rub it into the table. After a minute, wipe off the tooth paste. The rest of the wood will turn the same color as the stain.
A).