Question:
Goal: To bind fabric before putting it through a sewing machine.

Which of the following methods is more reasonable for accomplishing this goal?
Answer:
You should use small pins.

Question:
Goal: To get dust out of a rug

Which of the following methods is more reasonable for accomplishing this goal?
Answer:
Hang the rug on a cloths line and beat it with a bat.

Question:
Goal: To make instant coffee

Which of the following methods is more reasonable for accomplishing this goal?
Answer:
Mix it with a bit of water