Two. One to take out the bulb and drop it, and the other to try and sell it before it crashes (knowing that it's already burned out).
or
he said, "Those are pickled onions".
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The League of Extraordinary Con Men.
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Superman can fly, but a fly cannot superman!
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2 years old.
Cow: "Mooooove over"
Sheep: "Naaaaaaa."
or