None, change comes from within.
If the planes came from the outside.
The barber ran
Trick question. Protestors don't change anything.
None they'd rather keep their clients in the dark.
None. Mice can't change light-bulbs as they are mere rodents without the physical or mental ability to do so. Not to mention it's much safer for them to pilfer food in the dark.
Wuh-wuh-wuh-one.