[Q]: Which of the following solutions is better for the following goal:
How can I silence a slamming screen door?

[A]: Dab a couple of short beads of silicone caulk along the inner door jamb where it hits and let dry with the door open, the silicone pads will help quiet the racket.

[Q]: Which of the following solutions is better for the following goal:
How can I renew my black leather jacket that looks dull and gray

[A]: First, wipe it down with a slightly damp cloth and dry it completely with a towel so the leather doesn't warp. After that, you can use leather polish or shoe polish in light amounts to help your jacket look better.

[Q]: Which of the following solutions is better for the following goal:
how do you clean your eyes?

[A]: flush them out with cold water.

[Q]: Which of the following solutions is better for the following goal:
How to make popcorn on the stove.

[A]:
Melt a few tablespoons of fresh butter in the pan (make sure your pan has a lid) and set the heat to moderately high. Add enough kernels to cover the bottom of the pan. The butter will start to bubble around the kernels, at which point you can place the lid on and begin sliding the pan gently back and forth to prevent scorching. In 5 minutes your popcorn is done. Salt to taste and enjoy.