Question:
Goal: To ensure two boards are cut to the exact same length,

Which of the following methods is more reasonable for accomplishing this goal?
Answer:
measure the first board to the desired length and cut it. Then use the first board to measure the second board to the exact same length.

Question:
Goal: How can I open the coke can?

Which of the following methods is more reasonable for accomplishing this goal?
Answer:
With your fingernail, or a butter knife slide it horizontally between the top of the can and the tab and pull it towards you until the seal is broken on the hole and the soda is visible inside.

Question:
Goal: how do you scissor something?

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