Question:
Goal: To mix milk with dry ingredients, like flour

Which of the following methods is more reasonable for accomplishing this goal?
Answer:
Pour milk in a bit at a time while stirring

Question:
Goal: Make a monster killer for kids.

Which of the following methods is more reasonable for accomplishing this goal?
Answer:
Decorate spray bottle filled with water.

Question:
Goal: To make an invisible bookshelf.

Which of the following methods is more reasonable for accomplishing this goal?
Answer:
Attach brackets to the wall the length of the stack of books.