Punch.
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Two — one to change the bulb, and one to write a song about how good the old light bulb was.
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It takes two. One to change the bulb, and the other to kick the switch.
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What's the use, they'd still have bear feet
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Seven. One to change it and the other six to sing about how good the old one was.
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A snail because it carries it's home.
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A sponge!
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