On Tue, 14 Mar 2006 19:04:23 -0500, " JimH" jimh_osudad@yahooDOT
comREMOVETHIS wrote:

Another variation:

Her friend asked what she was carrying as she had never seen such an object,
to which the blonde replied: "It is a cooler. It keeps hot things hot and
cold things cold".

reply:

"But how does it know?"