[Q]: Which of the following solutions is better for the following goal:
To remove blood stains from fabric.

[A]: Moisten the spot. Let sit. Dab with hydrogen peroxide. Wipe away the spot and repeat the till the stain is completely removed.

[Q]: Which of the following solutions is better for the following goal:
How can you tell someone is lying?

[A]: Sometimes when a person is lying, they will inadvertently shake their heads, subconsciously denying their own statement.

[Q]: Which of the following solutions is better for the following goal:
How can I plant flowers without a planter?

[A]: Place a cinder block flat and fill the spaces with dirt to plant flowers.

[Q]: Which of the following solutions is better for the following goal:
To prevent a tape roll from ticking to itself,

[A]:
add a paper clip to the end of the roll.