Riddle: What did the barman say when the ghost asked for a drink?
Sorry, we don't serve spirits.
1) perform duties for someone (Have you served that customer?)
2) present or sell food or drink (I hope they serve wine here.)
1) (usually plural, spirits) strong alcoholic drink like whiskey or rum
2) a supernatural being; a ghost
ghost (noun): a supernatural being; the hazy appearance of a dead person; a spirit