Single/multi-choice problem: Which of the following solutions is better for the following goal:
How to scratch an itch

Available choices:
A). Place one or two fingers or fingernails on the skin, where the itch is located. Use a back and forth motion to scratch that area until it no linger itches.
B). Place one or two fingers or fingernails on the skin, where the itch is located. Use a back and forth motion to scratch that area until it itches more than before.
A).