[Q]: Which of the following solutions is better for the following goal:
How to attach string for transport onto chair.

[A]: Using thick string, tie a knot on the string. Slide the strong onto a hole on the chair and make another knot to secure the string.

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

[A]: go over it with wax

[Q]: Which of the following solutions is better for the following goal:
To create less waste,

[A]: recycle materials such as cans and bottles rather than throw them away.

[Q]: Which of the following solutions is better for the following goal:
To make green paint,

[A]:
mix together equal parts of blue paint and yellow paint.