Question: How do I sharpen a knife.
Option 0: Place the knife at a 90 degree angle to your sharpener and quickly pull it across the sharpener on one side, then the other. Repeat this several times.
Option 1: Place the knife at a 45 degree angle to your sharpener and quickly pull it across the sharpener on one side, then the other. Repeat this several times.
Answer: 1