Question:
Goal: How do I make the mask stay on my head?

Which of the following methods is more reasonable for accomplishing this goal?
Answer:
You must measure your head and then cut the string accordingly.

Question:
Goal: What materials are needed for fluffy slime?

Which of the following methods is more reasonable for accomplishing this goal?
Answer:
Liquid glue,shaving cream, eye wash, baking soda and food coloring

Question:
Goal: how do you scorch something?

Which of the following methods is more reasonable for accomplishing this goal?
Answer:
burn it.