How many
aerobics instructors
-- does it take to change a light bulb?
Five. Four to do it in perfect synchrony and one to stand there
going "To the left, and to the left, and to the left, and to
the left, and take it out, and put it down, and pick it up, and
put it in, and to the right, and to the right, and to the
right, and to the right....
