Question:
Goal: petroleum

Which of the following methods is more reasonable for accomplishing this goal?

OPTIONS:
- can be made into motor oil by mixing it
- can be made into cake frosting by mixing it
Answer:
can be made into motor oil by mixing it

Question:
Goal: Add a macro lens to your smartphone.

Which of the following methods is more reasonable for accomplishing this goal?

OPTIONS:
- Remove the battery from a laser pointer.
- Remove the lens from a laser pointer.
Answer:
Remove the lens from a laser pointer.

Question:
Goal: To protect files from being lost,

Which of the following methods is more reasonable for accomplishing this goal?

OPTIONS:
- back the files up to an external hard drive where the originals are not already stored.
- back the files up to the same hard drive as the originals are stored on.
Answer:
back the files up to an external hard drive where the originals are not already stored.