Just two, but you need a really big lightbulb.
Doesn't matter how many femenists try, they can't change anything. Alternatively, they just hold it up and wait for the world to revolve around them.
Trick question, anarchists can't change anything.
Just one, but it will take 4 episodes.
None, that is a hardware problem.
Oven mitts
Because it got waterlogged.
Hormones
