A: There have been sightings of UFOs.
I wouldn't let a creep sit on my lap.
Batteries have a positive side! inspired by: http://www.reddit.com/r/Jokes/comments/2zlrot/howmanyfeministsdoesittaketochangea/
You hear about them but never see them
You keep hearing about them, but you never see one
You keep hearing about em but you never see em