[Q]: Which of the following solutions is better for the following goal:
What's the most efficient way to dice an onion using a knife?

[A]: First, slice the onion into thin strips, but don't cut all the way through. Turn the onion 90 degrees and repeat the process, this time cutting all the way through.

[Q]: Which of the following solutions is better for the following goal:
To save money on gas,

[A]: maintain your car regularly, drive less and carpool whenever possible, and keep the tires properly inflated.

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

[A]: Preheat an oven to 425 degrees F (220 degrees C). Place the asparagus into a mixing bowl, and drizzle with olive oil. Toss to coat the spears, then sprinkle with Parmesan cheese, garlic, salt, and pepper. ... Bake in the preheated oven until just tender, 10-15 minutes depending on thickness.

[Q]: Which of the following solutions is better for the following goal:
how to remove a switch trigger from a power tool

[A]:
use a hacksaw to cut the trigger off the switch body.