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

But a little bit cool to compare with the rst, sis.
but a little bit cool compare with the rst 

hey, mark thats marggie, hello marggie. I'm Katie.
Hey, Mark thats marggie, hello marggie

oh yeah, ladies thing, I care for a black and white tabby named cow.

Oh yeah? I care for a black and white tabby named Cow.