A hippopota-mess
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Two, one to screw it in, and another to repent.
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None. They have machines to do that now.
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You take off your shoes before you jump on a trampoline.
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One's a spineless, poisonous blob. The other is a form of sea life.
or
The League of Extraordinary Con Men.
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Have an ice day!
or
They turn from notating nuclear spins to notating unclear puns.
or