If you write something, pretending to know something, then you will not get anywhere. Teachers and academics alike will not like reading something that is not researched properly.
So know what you are writing about. That is the very first step.
The first step to writing any essay is brainstorming, but I don't know if your instructor wants that. I would just say it's either getting a hook, writing a thesis, or just plainly brainstorming.
A. Best the reason why it is not better (even though it sounds right) is because it says "out of the five cousins" there for we are comparing ben to five other people and he is the best.