Rootbeer.
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None. Agnostics question whether electricity really exists.
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Answer: The back of his head.
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A porcupine with split ends
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Does it have to be a light bulb? I've got this neat candle holder...
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The same as a regular year, but with less calories.
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A whole synod. One to move that the bulb be changed while the others debate until the room spins.
or