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.
One example: He designed monumental Loviisa war cemetery in 1920.
Solution is here: She designed monumental Lovissa war cemetery in 1920.
Explanation: The masculine pronoun was changed to a feminine pronoun.

Now, solve this: Nice, Have you ever hear of Caroline Muller! I love sharing a gender with her!
Solution:
Nice! Anyways have you heard of Caroline Müller? She is my hero!