A blond sits down on a plane and starts to read her book but the guy sitting next to her, a lawyer, won’t leave her alone. Finally, he says to her, “Let’s play a game. I’ll ask you a question and if you can’t answer it, you owe me five dollars. Then you ask me a question and I can’t answer it, I owe you a thousand dollars.”

The blond says, “Okay.”

The lawyer says, “What’s the distance from the earth to the moon?”

Without a word, the blond opens her purse, takes out a five-dollar bill, and hands it to him. She then asks, “What goes up the hill on three legs and comes down on two?”

The lawyer thinks about this; he does an internet search; he calls his friends and asks them but he’s stymied and he hands the blond a thousand dollars. She puts it into her purse and goes back to reading. The lawyer says, “Hey! What’s the answer?”

Without a word, the blond opens her purse, takes out a five-dollar bill, and hands it to him.