Eric Heisserer's 150 Screenwriting Challenges (Amazon)
I'm an advocate of daily creative writing exercises to build and maintain excellent craft. If you don't have a your own list of exercises, why not borrow from an Oscar-nominated screenwriter?
(edit: grammar)
Its the 36th challenge from the book "150 Screenwriting Challenges" by Eric Heisserer (Bird Box), I'm just trying to do them all
https://www.amazon.com.br/Screenwriting-Challenges-English-Eric-Heisserer-ebook/dp/B00GKNFPGK Here if you wanna check it out