Finish the following sentence with the best choice: How do I sharpen a knife.

Choices:
- 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.
- 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:
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.