[Q]: Which of the following solutions is better for the following goal:
Make mini lantern.

[A]: Cut open center of soda can so that sides flap out, add tealight candle to center.

[Q]: Which of the following solutions is better for the following goal:
What fabric do you need to make a windproof beach tent?

[A]: You will need spandex.

[Q]: Which of the following solutions is better for the following goal:
To get rid of fleas on dogs

[A]: Bathe your dog with a good flea & tick shampoo. Apply a flea treatment that's vet recommended, usually a collar, powder, or skin treatment. Wash your dog and your dog's bedding frequently to prevent reinfestation.

[Q]: Which of the following solutions is better for the following goal:
What is the best way to reward kids?

[A]:
When they get rewarded give them something they get to do instead of a "thing" to have, they'll prioritize people and activity more than "things".