Question:
Goal: How to heat oil in a pan.

Which of the following methods is more reasonable for accomplishing this goal?
Answer:
Put the pan on the stove and pour some oil into it. Turn on the heat on the stove and wait for the oil temperature to increase.

Question:
Goal: To clean the lens of your camera,

Which of the following methods is more reasonable for accomplishing this goal?
Answer:
dab a Q-tip in alcohol, apply and thin coat to the lens, and let it evaporate.

Question:
Goal: matches

Which of the following methods is more reasonable for accomplishing this goal?
Answer:
can be used to light a flame