Q: How many Dominionites does it take to screw in a lightbulb?
A: Three. One to remove the burnt out bulb, one to sell it to the Norlights as Southern abstract art and one to audit the transaction.

Q: How many Humanists does it take to screw in a light bulb?
A: Three. One Preceptor to notice that it's dark, one protector to make sure it's safe to change the bulb, and one commoner to actually screw in the bulb.

Q: How many Morgana-class GRELs does it take to screw in a lightbulb?
A: None. They leave the room in darkness for an ambush and use the broken-off bulb as a weapon.