he said, "Those are pickled onions".
or
Because an undocumented worker has been living on his head for the past 2 decades!
or
They turn from notating nuclear spins to notating unclear puns.
or
"A complex world demands complex hair."
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Two. One to take notes while the other screws it into the faucet.
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The owner got tired of the (w)hole business!
or