Finish the following sentence with the best choice: Start a fire using a magnifying glass.

Choices:
- Tilt the magnifying glass in such a way as to focus the light from the sun to a single point on a leaf until it begins to heat up and smoke. Blow on the leaf until it combusts.
- Tilt the magnifying glass in such a way as to focus the light from the moon to a single point on a leaf until it begins to heat up and smoke. Blow on the leaf until it combusts.

Answer:
Tilt the magnifying glass in such a way as to focus the light from the sun to a single point on a leaf until it begins to heat up and smoke. Blow on the leaf until it combusts.