Indicate which of the following sentences has an illogical shift in person that should be corrected:

Question $6$ options:

$1)$

Jesse Owens$$ achievements have been inspiring young athletes since $1936.$

$2)$

The customer demanded to see the manager; he was angry.

$3)$

We often imagine the changes we would make in the world if we could.

$4)$

These days, many people are using his or her vacation time to do volunteer work.