None they can't change anything.
How many pessimists does it take to change a light bulb? None - it's probably screwed it too tight anyhow!
10. 1 to change it and 9 to say they could have done it better.
Light? What's that?
Four. One to change it and three to write the environmental-impact statement.
The public pool, if it is too crowded try the library.
The whole thing was a gas.