I read a sentence a long time where there were 5 "OF" but an ordinary person could only point out 1 or 2 OF?

Question

Only an Intelligent person could notice and point out all the 5 OFs. Does anyone know that sentence?

Answer 1

I heard a similar question but it was not "of" it was how many f's are in the following sentence:

Finished files are the result of years of scientific study combined with the experience of years.