[Q]: Which of the following solutions is better for the following goal:
How do you get yellow stains out of clothing?

OPTIONS:
- Mix 4 tablespoons of flour with a quarter cup of water and scrub into the stain. Let the mixture sit on the stain for about an hour. Wash the piece of clothing in cold water, once complete check to see if the stain is removed, if not repeat before drying.
- Mix 4 tablespoons of baking soda with a quarter cup of water and scrub into the stain. Let the mixture sit on the stain for about an hour. Wash the piece of clothing in cold water, once complete check to see if the stain is removed, if not repeat before drying.

[A]: Mix 4 tablespoons of baking soda with a quarter cup of water and scrub into the stain. Let the mixture sit on the stain for about an hour. Wash the piece of clothing in cold water, once complete check to see if the stain is removed, if not repeat before drying.

[Q]: Which of the following solutions is better for the following goal:
To score an ace in tennis,

OPTIONS:
- serve the ball past the opponent without them returning the ball into the court.
- serve the ball past the opponent without them hitting the ball.

[A]: serve the ball past the opponent without them hitting the ball.

[Q]: Which of the following solutions is better for the following goal:
Retreive a stuck item from a vending machine.

OPTIONS:
- Use a metal coathanger fashioned into an elongated rod to poke it the item through the vending machine's door, until the item falls to a point where it can be easily retrieved.
- Use a metal coathanger fashioned into an elongated rod to poke it the item through the vending machine's change slot, until the item falls to a point where it can be easily retrieved.

[A]: Use a metal coathanger fashioned into an elongated rod to poke it the item through the vending machine's door, until the item falls to a point where it can be easily retrieved.

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

OPTIONS:
- keeps horses together
- keeps water together

[A]:
keeps water together