Question:
Goal: whiten clothes without bleach

Which of the following methods is more reasonable for accomplishing this goal?
Answer:
soak in hot water with a slice of lemon for ten minutes.

Question:
Goal: To fix loose screws in eyeglasses.

Which of the following methods is more reasonable for accomplishing this goal?
Answer:
Apply clear nail polish on the head of the screw on the handle of the glasses.

Question:
Goal: Make a small vase.

Which of the following methods is more reasonable for accomplishing this goal?
Answer:
Remove contents from a light bulb for flowers.