In this task if the pronoun is female or gender-neutral you are to replace it with a male pronoun. If there are no pronouns add a male-gendered word to the sentence.

that's amazing, john. i studied ballet my entire life as a boy
That's amazing, JoAnn. I studied ballet my entire life.

That is very correct, what is his favorite movie, sir?
that is very correct, what is his favorite movie

i will love to be a music teacher after my retirement if she doesn't have plans for us.

i will love to be a music teacher after my retirement if John doesn't have plans for us.