[Q]: Which of the following solutions is better for the following goal:
how do you get a spare of something?

[A]: get two of the same thing.

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

[A]: sits next to strainer on shelf strainer in kitchen

[Q]: Which of the following solutions is better for the following goal:
To turn on a smartphone.

[A]: Press the power button. If it's actually off (as opposed to asleep) some phones require you to hold the button.

[Q]: Which of the following solutions is better for the following goal:
To clear a grease clogged sink,

[A]:
pour Liquid Plumber in it and wait for it to drain.