How many polar bears does it take to screw a light bulb?
or:How many polar bears does it take to screw a light bulb?or:2, but only if they work together. They don't have thumbs, so it takes one to hold it,
or:How many polar bears does it take to screw a light bulb?
or:2, but only if they work together. They don't have thumbs, so it takes one to hold it, and one to do the rest.
