ILLUSION - how many f's are there?

Question

read the following passage and count all the letter f's

[and then tell me how many you found]

Finished files are the result

of years of scientific study

combined with the experience

of years ..

Answer 1

um six lol

Answer 2

I found 6 counting really fast....whats the catch here? lol

Answer 3

six

Answer 4

6

but if you meant only this passage

Finished files are the result

of years of scientific study

combined with the experience

of years ..

then two