Types of Ambiguity

One stereotypical type of the first type goes:
“Foreign -- ten! -- all-purpose purses.”
One stereotypical type of the second goes:
“Fallin’ sand: four poor tense bursars.”
One stereotypical type of the third type
(for all intents and/or most purposes)…?
This (typical!) stereotypical type:
“Four rent olives, four tents, ‘n’ n porpoises.”