[Q]: Which of the following solutions is better for the following goal:
how do you crop a picture?

[A]: cut it down to the size you want it.

[Q]: Which of the following solutions is better for the following goal:
How do you make a key lock easier to open?

[A]: Wipe down the key with olive oil and insert the key into the lock so the oil will work as a lubricant.

[Q]: Which of the following solutions is better for the following goal:
oil

[A]: can maintain a car

[Q]: Which of the following solutions is better for the following goal:
To clean a laptop screen effectively.

[A]:
Use a tissue paper to wipe the laptop screen.