Three. One to climb the ladder while the second kicks the ladder out from under her. And the third to say, "I knew that was too high for you dear."
or
An impasta
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Time is fun when you're having flies
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He was tired of working for peanuts.
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Because they don't fit on a ironing board
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Twenty. One to hold the bulb, two to turn the ladder, and 17 to be on the guest list.
or