First they have to agree on which is better; the analog bulb or a digital bulb.
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Just one, but he/she will spend hours checking for technical problems.
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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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Five: one to handle the bulb and four to contemplate how David Sanborn would've done it.
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