Finish the following sentence with the best choice: How to preserve a grape for long term?

Choices:
- One could dry the grapes in the sun so that it becomes raisins, which is much more durable long term.
- One could dry the grapes in a fireplace so that it becomes raisins, which is much more durable long term.

Answer:
One could dry the grapes in the sun so that it becomes raisins, which is much more durable long term.