Editor's note: Do you need something to smile about? Every day, WND selects the best joke offered up by readers and contributors to its Laughlines forum and brings it to you as the WND Joke of the Day. Here is today's offering:
A teacher asks, "What's the difference between a problem and a challenge?"
A student responds, "3 boys + 1 girl = problem. 1 boy + 3 girls = challenge."
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