[Q]: Which of the following solutions is better for the following goal:
To clean a dirty window

OPTIONS:
- Use a large sponge to apply vinegar to the entire pane. With a squeegee, firmly remove all the vinegar.
- Use a large sponge to apply water to the entire pane. With a squeegee, firmly remove all the vinegar.

[A]: Use a large sponge to apply vinegar to the entire pane. With a squeegee, firmly remove all the vinegar.

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

OPTIONS:
- is made black by lighter flame
- is made black by drill flame

[A]: is made black by lighter flame

[Q]: Which of the following solutions is better for the following goal:
How do you condense a toilet to be taken out for trash?

OPTIONS:
- Put the toilet somewhere very cold and it will naturally shrink and be able to be put in a normal sized trash can.
- Use a sledgehammer and safety goggles to smash it to pieces, sweep up and throw in a trash can.

[A]: Use a sledgehammer and safety goggles to smash it to pieces, sweep up and throw in a trash can.

[Q]: Which of the following solutions is better for the following goal:
To have less have less injuries while exercising or running,

OPTIONS:
- do stretches and then warm-ups after your done.
- do stretches and then warm-ups first.

[A]:
do stretches and then warm-ups first.