[Q]: Which of the following solutions is better for the following goal:
Trap flying bugs.

OPTIONS:
- Cut paper into strips and layer with vaseline.
- Cut paper into strips and layer with water.

[A]: Cut paper into strips and layer with vaseline.

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

OPTIONS:
- can contain a dust pan
- can contain a coin

[A]: can contain a coin

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

OPTIONS:
- will measure weight accurately
- will measure height accurately

[A]: will measure height accurately

[Q]: Which of the following solutions is better for the following goal:
Gluing the magnets for the rack

OPTIONS:
- Place some wood glue into the holes you made the press in the magnets letting sit for a few minutes.
- Place some hot glue into the holes you made the press in the magnets letting sit for a few minutes.

[A]:
Place some hot glue into the holes you made the press in the magnets letting sit for a few minutes.