"In the back of your truck there's a shotgun. Shoot the pig in the head and when it stops wriggling you can pull it out and throw it in a bush."

The farm worker agrees and signs off. About 10 minutes later he radios back. "Boss I did what you said, I shot the pig and dragged it out and threw it in a bush."

"So what's the problem now?" his Boss snapped.

"The blue light on his bike is still flashing!"