Take your time and see if you can read each line aloud without a mistake. The average person over 40 years of age cannot do it.
1.This is this cat- This is is cat.
- This is how cat.
- This is to cat.
- This is keep cat.
- This is an cat.
- This is old cat.
- This is fart cat.
- This is busy cat.
- This is for cat.
- This is forty cat.
- This is seconds cat.
Now go back and read the third word in each line from the top down.