[Q]: Which of the following solutions is better for the following goal:
Write a book.

[A]: Begin typing what you're thinking about and continue to expand on it until you have an entire book.

[Q]: Which of the following solutions is better for the following goal:
How do I prevent my mirror from developing black spots?

[A]: Take preventative measures from creating a black spot-prone environment for your bathroom mirror. Be careful when washing your hands or face or brushing your teeth next to the mirror, and keep water in the sink as much as possible. Dry off the edges of your mirror if it comes in contact with moisture.

[Q]: Which of the following solutions is better for the following goal:
To get the smells out of a dirty, old gym bag.

[A]: Use a bit of baby powder sprinkled in the bag to get the moisture and smells out.

[Q]: Which of the following solutions is better for the following goal:
how do you pamper someone?

[A]:
take care of them like a baby.