Goal and options: How do you shape polystyrene thermoplastic?
output answer: Heat it slowly and evenly with the low setting on a heat gun.

Goal and options: How to infuse coffee flavor into syrup?
output answer: Mix water with some instant coffee until dissolved and then add equal parts sugar and let it thicken and come together

Goal and options: To quickly clear out a room full of cigarette smoke,
output answer:
spin a wet towel around in the air to clear it.