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A lawyer and a blonde woman are sitting next to each other on a long flight.

The lawyer asks if she would like to play a fun game. The blonde is tired and just wants to take a nap, so she politelydeclines and tries to catch a few winks.

The lawyer persists, that the game is a lot of fun.

"I ask you a question, and if you don't know the answer, you pay me only
$5; you ask me one, and if I don't know the answer, I will pay you
$500."
This catches the blonde's attention; and, to keep him quiet, she agrees
to play the game.

The lawyer asks the first question.

"What's the distance from the earth to the moon?"

The blonde doesn't say a word, reaches in to her purse, pulls out a
five-dollar bill, and hands it to the lawyer

Now, it's the blonde's turn. She asks the lawyer, "What goes up a hill
with three legs, and comes down with four?"

The lawyer uses his laptop, searches all references.

He uses the Airphone; he searches the Net and even the Library of Congress.

He sends e-mails to all the smart friends he knows, all to no avail.

After one hour of searching he finally gives up.He wakes up the blonde and hands her $500.

The blonde takes the $500 and goes back to sleep.

The lawyer is going nuts not knowing the answer.

He wakes her up and asks, "Well, so what goes up a hill with three legs
and comes down with four?"

The blonde reaches into her purse, hands the lawyer $5 and goes back to
sleep.