[Q]: Which of the following solutions is better for the following goal:
How to easily ice a cake?

[A]: Once baked, place the cake on a cake stand and rotate it while applying the icing

[Q]: Which of the following solutions is better for the following goal:
Open the plastic packaging from the store quickly and easily.

[A]: Use a hand held can opener to easily open the plastic packaging from the store.

[Q]: Which of the following solutions is better for the following goal:
How to make a simple handle for a knife without a handle?

[A]: Use a strong paracord and thread it around the base of the knife and then tie it off into a knot at the base of the knife

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

[A]:
signals train is coming