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.

Sir, I am Toluwalase, how are you today?
I am Toluwalase. How are you today?

I work as a contract staff for a manager taxi company
I work as a contrast staff for a taxi company. 

I wonder if he has been an effective politician? I can't imagine the stress.

I wonder if she has been an effective politician. I can't imagine the stress.