Six. One to turn the bulb, one for support, and four to relate to the experience.
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They charged one - and let the other one off.
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Three. One to climb the ladder while the second kicks the ladder out from under her. And the third to say, "I knew that was too high for you dear."
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Two — one to screw it most of the way in and the other to give it a surprise twist at the end.
or