[Q]: Which of the following solutions is better for the following goal:
To make a water resistant handle for a knife, you can

OPTIONS:
- Use metal
- Use wood

[A]: Use metal

[Q]: Which of the following solutions is better for the following goal:
How to unclog hair out of a bathroom sink?

OPTIONS:
- Use thin long metal sticks or rods to carefully pick the hair from the sink.
- Open the other end of the sink and attack it to the mouth of a vacuum cleaner. Operate the vacuum cleaner for about 30 seconds to suck the hair out of the sink.

[A]: Use thin long metal sticks or rods to carefully pick the hair from the sink.

[Q]: Which of the following solutions is better for the following goal:
How to prevent damage to the riding seat of a bicycle?

OPTIONS:
- Every few hours or so use a leather sealant on the bike seat and hop on the seat so it dries quickly when riding again
- Every few weeks or so use a leather sealant on the bike seat and allow the sealant to dry over night before riding again

[A]: Every few weeks or so use a leather sealant on the bike seat and allow the sealant to dry over night before riding again

[Q]: Which of the following solutions is better for the following goal:
To prevent something from moving while drilling it, you can

OPTIONS:
- Use a clamp
- Use superglue

[A]:
Use a clamp