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

[A]: get it full of germs.

[Q]: Which of the following solutions is better for the following goal:
To tell if broccoli is done cooking, you can

[A]: Test if it can easily be cut through

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

[A]: pays for dessert ice cream

[Q]: Which of the following solutions is better for the following goal:
To make the folds easier in an Origami Magic Ball Lamp.

[A]:
Use a ruler to trace out the fold lines.