[Q]: Which of the following solutions is better for the following goal:
Trim a christmas tree.

[A]: add lights and balls to the tree, plug in and enjoy

[Q]: Which of the following solutions is better for the following goal:
How to dice a potato quickly.

[A]: Cut the potato in half and then into slices 1/4" or less. Take half of those slices and slice them the other way so they look like fries. Then chop the fries so that they become cubes.

[Q]: Which of the following solutions is better for the following goal:
What items do I need to make a bed?

[A]: The simplest made bed needs only a sheet set and a blanket. For added comfort, include a mattress pad. For a more luxurious or layered look, consider adding decorative linens, such as pillow shams or a bed skirt.

[Q]: Which of the following solutions is better for the following goal:
ho emuch energy does a photon have

[A]:
A photon can contain as much energy as you want. All electrons have exactly 1 unit of electric charge, no more, no less. Energy, by contrast, is proportional to frequency: E=hf, where h is the Planck's constant (6.6x10^-34 Joule-seconds).