[Q]: Which of the following solutions is better for the following goal:
How do I prepare a cake

[A]: In a bowl, mix flour, butter, eggs, sugar, milk, chocolate powder and bake it for 1 hour.

[Q]: Which of the following solutions is better for the following goal:
To make stilts you can walk with for a costume out of recycled material.

[A]: Use old crutches as your stilts.

[Q]: Which of the following solutions is better for the following goal:
How do you program a robot?

[A]: You take a pendant to a robot and program in different axis such as X or Y.

[Q]: Which of the following solutions is better for the following goal:
To clean a window without any paper towels,

[A]:
use old, wadded up news paper instead.