Two. One to change it and another one to change it back again.
Only one. They just hold it still and wait for the world to revolve around them.
I don't know. They just keep going on and on about how the last one broke.
100. 1 to change the light bulb and the other 99 to complain about how the old light bulb was much better.
Need to know ASAP.
What's Allepo
Logic