input question: What's the most efficient way to dice an onion using a knife?

output answer: First, slice the onion into thin strips, but don't cut all the way through. Turn the onion 90 degrees and repeat the process, this time cutting all the way through.

input question: To make a transparent origami crane.

output answer: Take apart a paper sheet protector and cut it into a square. Fold as usual to make the crane.

input question: How can you guard against theft of your bank money?

output answer:
Put a deliberately fake PIN on the back of your debit card so the thief will try to enter that PIN in and the ATM will confiscate the card.