[Q]: Which of the following solutions is better for the following goal:
Warm up water when camping.

[A]: Place water in black trash bag to absorb sun heat.

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

[A]: cleans up paint if spilled

[Q]: Which of the following solutions is better for the following goal:
To fix a stuck SNES controller button.

[A]: Try using an old toothbrush to scrub around the offending button and use the bristles to pick up dust dirt etc.

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

[A]:
to reach high items easily.