A garbage truck.
or
Three: One to screw it in, and the other two to help him down off the keg.
or
It went back four seconds!
or
They both whine alot!
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Two, one to call Daddy, and one to get the (pick one:) mineral water/Tab.
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The lettuce came in ahead, the egg got beat and the faucet is still running.
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Because they only know their ABCs "Anybody But Clinton".
or