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.

Let me give you an example: She designed monumental Loviisa war cemetery in 1920.
The answer to this example can be: He designed monumental Lovissa war cemetery in 1920.
Here is why: The feminine pronoun was changed to a masculine pronoun.

OK. solve this:
hi kache! i'm John. how are you today?
Answer:
Hi Kache! I'm Junilla. How are you today?