There was a fly flying 6 inches above a lake.
A fish in the lake thinks, "If that fly dropped 6 inches I'd get it!"
A bear on land thinks, "If that fly dropped 6 inches, the fish would jump out of the water, and I'd get it!"
A hunter thinks, "If that fly drops 6 inches, the fish would jump, the bear will go to get the fish, and I'll shoot the bear"
A mouse thinks, "If that fly drops 6 inches, the fish would jump, the bear would go to get the fish, the hunter will go to get the bear, and I'll steal the cheese off his sandwich!"
A cat thinks, "If that fly drops 6 inches, the