[Q]: Which of the following solutions is better for the following goal:
To communicate over long distances.

[A]: Use a mobile phone to talk to someone far away.

[Q]: Which of the following solutions is better for the following goal:
How do I use a tin can to melt wax shavings?

[A]: Place pot of water on stove and bring to a boil. Place shavings in tin can and place tin can in boiling water.

[Q]: Which of the following solutions is better for the following goal:
Make a baby video monitor.

[A]: Secure an old phone to corner of crib.

[Q]: Which of the following solutions is better for the following goal:
How do you load a staple gun?

[A]:
Flip the stapler upside down and open the base away from the body. Pull the magazine pusher back to expose the staple channel. Drop the staples into the magazine channel with the points facing up.