[Q]: Which of the following solutions is better for the following goal:
Once you have filled a sinkhole with concrete and sand what additional steps can you take to stabilize it?

[A]: Fill whatever depth remains to the sinkhole with topsoil. Finishing the hole with topsoil will allow plants to grow on top of the former sinkhole and stabilize the soil and sand.

[Q]: Which of the following solutions is better for the following goal:
To heal a stomach that suffers from acid reflux,

[A]: consume only a little bit of oatmeal, rice, banana and toast for a few days.

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

[A]: blind fold a child for pin the tail on the donkey

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

[A]:
Place your stencil flat on a paintable surface, like a canvas or wood block. Hold the stencil down to the surface either with your hand or by using tape. Using any paint of your choice, apply one coat of short, even strokes of paint with a paintbrush to fill in all open cut-out shapes of the stencil.