[Q]: Which of the following solutions is better for the following goal:
Prevent ice from forming on wiper blades.

[A]: Cover with socks.

[Q]: Which of the following solutions is better for the following goal:
How do I take the strings off of a guitar?

[A]: Unwind the pegs til the strings are loose and then simply take them off.

[Q]: Which of the following solutions is better for the following goal:
How to clean contact lenses?

[A]: Pour the lens solution on to the lenses and gently rub them with fingers.

[Q]: Which of the following solutions is better for the following goal:
How to freshen your shoes cheaply.

[A]:
Place a few dry tea bags inside each shoe to absorb the smell. If your shoes are not just smelly but also wet, fill them with a mixture of rice and baking soda and leave for a few days.