Put it in a glass with some ice cream and root beer.
or
It doesn't matter, they don't have any electricity any more.
or
They turn from notating nuclear spins to notating unclear puns.
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Stop! You're under a vest.
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Bike helmets don't fit hippos
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What's the use, they'd still have bear feet
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but he said "You said I could have two carry on items!"
or