Goal and options: how do you use a bouncy house?
output answer: get inside of it and jump.

Goal and options: To coat wooden coasters so they can withstand moisture from drinks.
output answer: Coat the coasters in lacquer.

Goal and options: How to hollow an egg.
output answer:
Using a large needle, pierce both ends of the shell. Wiggle the needle around in a circular motion to open the hole at one end. Repeat at the other end, then blow out the yolk and white.