Only one, but it takes nine years.
Two, One to hold the light and, one to drink until the room starts spinning!
One. Men can be Feminists, too.
A hundred but they'll all be competing to be the one to change the bulb and bring light to the world.
Four. One to change the bulb and three to make a t-shirt about it.
One way or the other, there's going to be a lot of smoking over the next four years.
Its gonna be a dark four years, now isn't it
A: Only one but it may take him/her more than five years to do it.
