Question:
Goal: How can I keep snow from sticking to a snow shovel?

Which of the following methods is more reasonable for accomplishing this goal?
Answer:
Apply a thin coat of car wax to the shovel head.

Question:
Goal: bottle

Which of the following methods is more reasonable for accomplishing this goal?
Answer:
can store water

Question:
Goal: How can I stop a mosquito bite from itching?

Which of the following methods is more reasonable for accomplishing this goal?
Answer:
Heat up a coin under a candle or lighter for a moment, then place the coin on the bite. This will kill the proteins that cause the itch.