One day Bill complained to his friend that his elbow really hurt.
His friend suggested that he go to a computer at the drug store that can diagnose anything quicker and cheaper than a doctor.
"Simply put in a sample of your urine and the computer will diagnose your problem and tell you what you can do about it.
It only costs $10."
Bill figured he had nothing to lose, so he filled a jar with a urine sample and went to the drug store.
Finding the computer, he poured in the sample and deposited the $10.
The computer started making some noise and various lights started flashing.
After
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