Question:
Goal: how to make an easy fire starter?

Which of the following methods is more reasonable for accomplishing this goal?
Answer:
put petroleum jelly on a cotton ball, store in a plastic bag.

Question:
Goal: How do I make the wood clean and smooth?

Which of the following methods is more reasonable for accomplishing this goal?
Answer:
Use a sander to remove rough edges and surfaces along with any dirt.

Question:
Goal: How to hang a painting?

Which of the following methods is more reasonable for accomplishing this goal?
Answer:
One should hang a painting either on a hook on the wall, or on a nail on the wall.