The Origin of Greek Tragic Drama Jokes

[Mittelwerk at aol.com]

now

you'e at the checkout line at Price Chopper, express lane, 5 items or less,
repeat, you must be checking out 5 items or less.

now, if you have four different 'items,' yet one of these 'items' happens to
be cat food, of which you are about to purchase 5 cans of said substance,

what do you have?  4 items (with one item in a quantity of 5)?

or,

8 items, effectively disbarring you fom usage of the express lane?