Question: To put pillowcases on pillows easily.
Option 0: Flip the pillowcase inside out and put your arms inside. Then grab the corners of one end of the pillow and pull it towards you, while sliding the pillowcase away from it.
Option 1: Flip the pillowcase inside out and put your arms inside. Then grab the corners of one end of the pillow and pull it towards you, while sliding the pillowcase down onto it.
Answer: 1