Can you cry under water?
Why do people pay to go up tall buildings and then put money in binoculars to look at things on the ground?
If money doesn't grow on trees then why do banks have branches?
Why is it that people say they "slept like a baby" when babies wake up like every two hours?
If you drink Pepsi at work in the Coke factory, will they fire you?
If a 911 operator has a heart attack, whom does he call?