Three: One to screw it in, and two to talk about how much better it is than with a man.
or
Silly, WASPs don't screw in a light bulb, they screw in a hot tub.
or
To get to the shell station.
or
Two. One to take out the bulb and drop it, and the other to try and sell it before it crashes.
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Nothing, peanuts don't talk.
or
The sound of Mew-sic
or
Bison
or
Because it's pretty basic stuff.
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One's a spineless, poisonous blob. The other is a form of sea life.
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All of them
or