The prewrite is just planning out how you are going to layout your essay rather then actually writing the product, so you can compare it to the plans rather then building the house.
On the bus half of the passengers fell asleep they all have been working so hard
The most accurate one here would be smart, as Piggy has a lot of ideas about how to be chief, and is the symbol of intelligence, which is seen through his idea about the fire and his connection to civilisation.
I hope this helps!