"Hunt" > wrote in message
...
>
> You might want to experiment with two bottles of a wine that you know and
> like. Open one, sample it then just stick the cork back in. Give it a few
> days, and uncork it, tasting it along side the other bottle and see which
you
> like best.

Or better yet - open one bottle, cork it, and then several days later open a
fresh bottle. Pour your friend 2 glasses. Ask her which is the bad one :-)