Depends on the supply and demand curve
Two. One to change it and another one to change it back again.
Toucan
None, they just watch it burn out and follow it around for 30 years.
One. But he wishes it took two.
It depends on where I draw the line.
Depends on how many were photographed.
I don't know. They just keep going on and on about how the last one broke.
Four different answers
