[Q]: Which of the following solutions is better for the following goal:
To remove the old strings from a guitar.

[A]: Unwind the strings using the tuning pegs, and unwrap them to take them off.

[Q]: Which of the following solutions is better for the following goal:
how do you send money to friends using the chime mobile banking app?

[A]: open up the chime app and then click on the bottom of the page where it says 'pay friends' then select the friends contact. type in how much you want to send, then click send.

[Q]: Which of the following solutions is better for the following goal:
Make dripless ice pack.

[A]: Place wet sponge in ziploc bag, then freeze.

[Q]: Which of the following solutions is better for the following goal:
How do I seal up the gap between brick and the studs of the walls of a sunroom when making an addition to a house?

[A]:
Spray insulation foam between the brick and the stud also to seal up the gap completely.