[Q]: Which of the following solutions is better for the following goal:
How can I make two pieces of wood stick without using nails or screws?

[A]: Acquire wood glue, or an adhesive similar to liquid nails. Cover both wood pieces with the adhesive, ensuring the area of contact will properly adhere. Press both pieces of wood together for at least 10 minutes, then let the adhesive dry.

[Q]: Which of the following solutions is better for the following goal:
how do you lock your iphone screen?

[A]: press the lock button on the right side of the phone.

[Q]: Which of the following solutions is better for the following goal:
how do you use a couch cushion

[A]: sit on it on a couch.

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

[A]:
keep water cool