Question:
Goal: how to differentiate twins

Which of the following methods is more reasonable for accomplishing this goal?
Answer:
mark one on face

Question:
Goal: Remove onion smell from fridge.

Which of the following methods is more reasonable for accomplishing this goal?
Answer:
Put coffee grounds in tied up cheese cloth in the back of the fridge.

Question:
Goal: How do I pin fur to prepare it for sewing?

Which of the following methods is more reasonable for accomplishing this goal?
Answer:
Place small metal pins in fabric to connect both pieces together, with about 1 inch between each pin.