Roy walks into the front door of a bar. He is obviously drunk, and
 staggers up to the bar, seats himself on a stool and, with a belch,
 asks the bartender for a drink.
 
 The bartender politely informs Roy that it appears that he has
 already had plenty to drink, he could not be served additional
 liquor at this bar, and could a cab be called for him?
 
 Roy is briefly surprised, then softly scoffs, grumbles, climbs
 down off the bar stool and staggers out the front door.
 
 A few minutes later, Roy stumbles in the SIDE door of the "same"
 bar. He wobbles up to the bar and hollers for a drink.
 
 The bartender comes over and, still politely but more firmly,
 refuses service to him due to his inebriation, and again offers to
 call a cab. He looks at the bartender for a moment angrily, curses,
 and shows himself out the side door, all the while grumbling and
 shaking his head.
 
 A few minutes later, Roy bursts in through the BACK door of the
 bar. He plops himself up on a bar stool, gathers his wits and
 belligerently orders a drink. The bartender comes over and
 emphatically reminds him that he is clearly drunk, will be served
 no drinks, and either a cab or the police will be called
 immediately.
 
 Roy surprisingly looks at the bartender, and in hopeless anguish,
 cries - "MAAAN! How many bars do you work at!?!?!"