Change !
Seriously who knows? It's pitch black in here.
Just one, but he'd have to watch Radiohead do it first.
Don't be stupid, rioters can't change anything.
Just one. He holds up the light bulb, and the world revolves around him
Twelve. Three to Physically Change the Bulb, Three to Talk About How Complicated it Was and Six to Call themselves Electricians.
Define "light bulb".
change??