[Q]: Which of the following solutions is better for the following goal:
To remove a stuck nail in a wooden board.

OPTIONS:
- Use a hammer and a cat's paw, hammer the paw over the nail and use the paw to pry the nail out.
- Use a hammer and a cat's paw, hammer the paw under the nail and use the paw to pry the nail out.

[A]: Use a hammer and a cat's paw, hammer the paw under the nail and use the paw to pry the nail out.

[Q]: Which of the following solutions is better for the following goal:
How to mix cupcake ingredients.

OPTIONS:
- Place flour, baking soda, baking powder and salt in mixing bowl and stir with a spoon. Then pour in egg and mix with a whisk.
- Place flour, baking soda, baking powder and salt in mixing bowl and stir with a spoon. Then pour in egg and mix with a spatula.

[A]: Place flour, baking soda, baking powder and salt in mixing bowl and stir with a spoon. Then pour in egg and mix with a whisk.

[Q]: Which of the following solutions is better for the following goal:
how do you close a gas cap?

OPTIONS:
- shut the door.
- twist the lid on.

[A]: twist the lid on.

[Q]: Which of the following solutions is better for the following goal:
How can I easily hang up something with 2 or more catch points on its back?

OPTIONS:
- Place a strip of painters drop cloth over the back of the item, mark the hang points with a pen, peel off the tape, level the holes with a level, drive your nails or screws through the holes, remove tape and hang item.
- Place a strip of painters tape over the back of the item, mark the hang points with a pen, peel off the tape, level the holes with a level, drive your nails or screws through the holes, remove tape and hang item.

[A]:
Place a strip of painters tape over the back of the item, mark the hang points with a pen, peel off the tape, level the holes with a level, drive your nails or screws through the holes, remove tape and hang item.